you can get minimal gain with a diesel probable failure back exhaust then mate it up after you remove the failure you know when the warranty/price cap service runs out
@@Mosesmombassa. And at the First Rego Inspection after the Delete , the Car will NOT PASS , and you will get a BIG fine for its removal . They do look underneath you realise ? To check things like suspension bushes , prop shafts , wheel play , and EXHAUSTS . If the VIN Number of the vehicle says a DPF is required for the Model then removal is VERY Illegal .
@@johncunningham4820 mine don't YoU rEaLiSe sorry all I thought of reading that bit was the sponge bob meme... it's really handy not having inspections after rego
@@Mosesmombassa . So where do you live , that Motor Vehicles that are beyond their Warranty period , DON'T need Annual Inspection for the purpose of Registration Renewal ? I suspect you are in fact simply Lying .
I recently went through this exercise. Was definitely worth it for me. I actually put a very similar video out on it from a South African perspective. In SA it is not illegal to remove the DPF, so you can replace it from the Turbo.
Yeah you should definitely delete dpf if you can, these guys know full well its just that companies won’t promote anything illegal. In tritons for instance the dpf will cause overheating and I’ve seen loads of them where the coolant gets in the oil and they go bust. In ford powerstroke 6.0 and 6.4 motors they cause massive regens and it wasn’t uncommon to have the engine runaway and blow up. If you were lucky you would get away with a cracked piston or head gasket, and its proven that deleting engines this big will give you a 50-80 hp gain, so deleting dpf is definitely worth it.
I also fitted a turbo back exhaust from DeGraaf a couple of months ago. My bakkie is very happy and doesn't even smoke with the DPF out. I did have it tuned around a year ago way before I did the exhaust, I'm curious to see how it goes after a retune. Will do that once I've upgraded the intercooler. I'm glad that we can still delete the DPF in South Africa. Also, DeGraaf pipes have nice big mufflers so inside the cab there's no exhaust noise at highway speeds.
The fact about exhausts is simple, the factory one is built to a price and a lot more emmissions and other regs, the aftermarket one doesn't need to fulfil the same build criteria. What the exhaust actually does is remove gasses to a "safe" place regarding passenger comfort, ie it doesn't gas the passengers. It also and more importantly regulates resonance, it's got nothing to do with backflow as most people think, it's all to do with frequency resonance and it's always a compromise. what works at 1500 rpm doesn't work ar 3250rpm, it can't! The gas flow at both speeds needs to be quite different. So that is why aftermarkets run bigger bore so the frequency developed by the exhaust is more ameanble to the engine's need to get rid of the gasses. The factory silencer is a proper silencer, the aftermarket box is actually a resonator, they are very differnt things and for different purposes. Resonator is to allow specific frequencies to disapate and the gas to expand, if the resonator isn't the correct resonance or in the wrong place it'll blow the pipe. Turbo engines also have very differnt requirements for exhaust resonantion than non turbo exhausts. As for the welds etc, the welds to pipe direct alters the metalergy of the pipe and that is what causes issues, it'll happen with any weld, whether joint or plate. as long as the inner surface is clean it'll last longer which is why a lot of factory exhausts are machine welded. Also MIG or TIG makes a massive differnce as the processes are quite different so is the result. If you alter the exhaust you also need to alter the fuelling and induction as they are matched to a greater extent.
It wouldn't be so much a battle of the best as everyone has a different taste in what they want their car to sound like. The soundboard idea is great though.
My TD5 Defender has no DPF, no CAT, no EGR and a straight through exhaust, definitely makes a difference, much more responsive and I’ve now remapped it, so even better🤷♂️
If space allows, the 1KZ would appreciate a 3-inch dump pipe as well, as it helps EGTs considerably. Full 3" turbo back exhaust with a dog pipe resonator but no muffler should be mint on the old girl. Pre-DPF and Pre-Cat diesels are the stuff, mate. Way more freedom to free up the exhaust systems on these things.
i put a torqit exhaust on my 150 prado, as i bashed the stock muffler offroad, and toyota wanted $1200 to replace a motor, when i could get a whole torqit exhaust fitted for 1400. in terms of sound or performance, havnt noticed much change, works fine,. and definitely stronger off road. will be putting a pacemaker on my GU when i get around to fixing the head!
An engine is a big air pump, the more efficiently you can get air in and out the more efficiently it will make power, back pressure is the enemy in any non 2-stroke application, for gasoline(petrol) and diesel engines back pressure robbs horsepower and kills mpg by killing the scavenging effect of the exhaust making the engine have to compressthe spentgasses and causing the system to have to work to breathe, again air pump, great vid and loads of good info
At 0:43, there is the first error. A petrol engine is NOT an explosion engine. It's a combustion engine. At 1:00, there is the second error. The ideal exhaust for a petrol engine without forced induction - a natural aspirated engine, is not to have the gas leave as fast as possible, but leave as fast as possible, but with the correct back pressure. A forced induction engine, say with a komressor or a turbo, is another case. Out as fast as possible. Cheers.
Back pressure is bad, but however pulsing is what you want in an n/a, a smaller diameter straight pipe exhaust will help with low end power as each pulse of the exhaust helps pull the next, like siphoning, where as a larger diameter straight through helps with top end power as it’s more free flowing, how ever back pressure, no matter what exhaust will rob you of power as it’s making your engine work harder, above all however, most of the differences is negligible
all we want is nice sound. I got a 3" in my 2.5 pathy. Car is also tuned. Has a nice tone and turbo dose. But I got it made at a local shop. Had issues with off shelf systems just not lining up and needing to go to a shop anyway. Hitech mufflers are fantastic!
I have a PPD 3 inch stainless turbo back with high flow cat, resonator and no muffler on my n70 hilux sounds and looks so nice it’s affordable aswell I think I paid about $800. I’m pretty sure my configuration is illegal in most states including my own
Would be awesome if you could share some info for the N/A petrols too? Specifically the vehicles from the 90's and early 2000's. What's the best system for power? Also how does back pressure work and does it make a difference to engine power and torque?
What about the different sizes? I've seen so many people go with the biggest one they can find (normally a 3inch on the 4 cylinder engines and 4 inch or larger on the 6 and 8 cyl engines). What is the best size for different scenarios?
I didn't disagree with this video until you showed me fiberglass packing. Nope! Not on my truck. Been there already. That stuff just solidifies after a while, especially with a catalytic system
I put a 3” dpf back on my old triton, long story turbo crapped the bed engine ate it and ran on. Manufacturer wouldn’t honour the warranty as it “allowed the turbo to overspool and detonate” 25k fix. Got it fixed out of dealer diesel mech found it to be map sensor hose. Lost 7k saved me a heap tho.
Just did that to my LX470( not known for being frugal) my OEM ones cracked. I find it certainly helps at higher revs, fair bit more power, down low it does make a difference but is nearly negligible, much better sound though even through the same mufflers. That V8 sounds great though. Fuel, well on long distance, just got back from FNQ to SA it's better , probably a litre/100km. Short distance, be careful with that throttle it can go faster but will cost you! Headers price was $2500 including fitting. If I knew the benefits before it would be a tossup whether I would get them or not if the OEM ones weren't cracked. Sounds good though. 😊
I can tell by the "grain" of the "quality" weld of which you speqk of, is still not quality...the grain suggests too fast of a travel speed while welding. Which suggests to me, that production is prioritised over quality .....
I’ve had a redback extreme on my 80 series 1HDT for 10 years and is awesome quality. What do you think of them, from turbo back with straight through muffler
Arch brackets on the muffler edge spreading the load is there but did look like only tack well on each end of arch bracket not welded fully like on the tube 😵💫rest was informative thou 😁
Not mentioned is scavanging, on a non turbo engine , larger diameter (or altering length of) pipe may make your vehicle slower. The use of the word restriction, lead some astray .
Straight pipes like that are illegal in some states in the USA...they are nothing more than Glass Packs, or Cherry Bomb (I remember a brand called "Hush Thrush" from the 70s and 80s that did this too. I prefer the Magnaflow or Gibson using parabolic reflectors to reduce sound. Dynomax also uses something similar.
What would you say about one who gets a muffler delete? Or goes for a smaller muffler? Would that be a bad idea in generating more power? Also what about making a custom exhaust how about some advice on this please
@dcameron0500 if your vehicle has a DPF and the OEM exhaust isn't stuffed, don't waste your time or money. All a DPF-exhaust back will do is make more noise. Anything above 90db and you'll get in trouble with Johnny Law or the EPA.
A full proper system, extractors, high flow cat, high flow mufflers etc all the way from engine block certainly can improve performance. A half system or muffler delete on a V8 79 just so it sounds like a fart in a milo tin is the most annoying sounding vehicle on the road.
So 409 ss is better than 304ss? How come all the other big brand is using 304ss but charging nearly the same price as 409ss and is not mandrel bended as you can see the visible welds at each bend?.
I’d never own a DPF vehicle. Every year every model just gets worse & worse. Old Td42ti, 80series 1hdt & the hdj79 1hdfte are the only trucks worth owning.
I would like to know how the exhaust will affect the turbos, waste gate, valves (petrol apparently) and the EGR valve? Goggle has inconclusive answers.
You blokes should talk Toyota, Ford and the rest of them for a job You think you’re smarter than them . Especially in the roll of reliability All anyone has to do is talk with the people who sell turbos, their business has increased 10 fold with all these bird brains who think a 4x4 is a race car and only has to make it to the finish line instead of 500,000 km down the line.
Mate has a straight pipe 3.0td hilux with the factory dpf system sounds mad still get all the psh psh turbo noises and sounds amazing doing burnouts and driving around even at idle it sounds awsome 😂 Id do it just to have more fun and enjoyment out of my vehicle to be fair 😂🇳🇿
Clearly mate u haven't heard about the California state ref... U cant modify the exhaust in California mate , or any other mods... Like bloody hell mate
For all you people watching this being brainwashed to go out and buy a dpf back exhaust, DO NOT WASTE YOUR TIME AND MONEY, whilst ever the dpf is in place they do absolutely nothing but empty your bank acc, no noise no power gain, if you want either or both of those delete the dpf and keep factory exhaust, thank me later 🎉
To understand how an engine works IS NOT THE FUEL AND AIR IGNITED TO CAUSE AN "EXPLOSION".NOTHING OF THE SORT AND UNTRUE. IT IS DESIGNED TO BURN KT OVER A SET PERIOD OF TIME TO EXPAND THE AIR INSIDE. IF IT EXPLODES, THAT IS DETONATION AND THAT DESTROYS ENGINES. Do you really know what you are talking about, OR, just think you do???
A bit off brand, but had a mate that straight piped with a 3mm thick straight section at the last half a metre of pipe. On a 2.0 ltr Corolla hatchback back in about 97. It did help with lag. But man was that thing was loud.
@marnixhoebers5176 nope, thanks to the DPF, any improvements are minimal at best. If there were significant improvements in performance or efficiency, they would have included the data. Instead, they have provided a bunch of anecdotal waffle 🤷♂️
Interesting how you have put together a video covering how the engine benefits from a modified exhaust to dispose of the burnt waste, but you have never addressed an even more critical detail of how a modified induction system affects the engine performance even more greatly when you point the snorkel intake the wrong way. Literally every licensed engineer will tell you to face it into the incoming air stream. Every bogan will point it backwards. Let's see a video on that one.
No dpf= definite benefit
With dpf= dont waste your time
you can get minimal gain with a diesel probable failure back exhaust then mate it up after you remove the failure you know when the warranty/price cap service runs out
@@Mosesmombassa. And at the First Rego Inspection after the Delete , the Car will NOT PASS , and you will get a BIG fine for its removal .
They do look underneath you realise ? To check things like suspension bushes , prop shafts , wheel play , and EXHAUSTS .
If the VIN Number of the vehicle says a DPF is required for the Model then removal is VERY Illegal .
@@johncunningham4820 mine don't YoU rEaLiSe sorry all I thought of reading that bit was the sponge bob meme... it's really handy not having inspections after rego
@@Mosesmombassa . So where do you live , that Motor Vehicles that are beyond their Warranty period , DON'T need Annual Inspection for the purpose of Registration Renewal ?
I suspect you are in fact simply Lying .
@@johncunningham4820 Australia... are you American it would explain heaps
Dyno results before and after change would be great to see
@sharons9367 probably a reason they didn't show any real-world data to demonstrate if there were any the gains 😉
Probably not so much on the Dyno , but ECONOMY will definitely improve .
@@task82DPF back won't show major gains but a 3" from turbo has gains
@@task82 What are you a EPA guy?
I recently went through this exercise. Was definitely worth it for me. I actually put a very similar video out on it from a South African perspective. In SA it is not illegal to remove the DPF, so you can replace it from the Turbo.
Yeah you should definitely delete dpf if you can, these guys know full well its just that companies won’t promote anything illegal. In tritons for instance the dpf will cause overheating and I’ve seen loads of them where the coolant gets in the oil and they go bust. In ford powerstroke 6.0 and 6.4 motors they cause massive regens and it wasn’t uncommon to have the engine runaway and blow up. If you were lucky you would get away with a cracked piston or head gasket, and its proven that deleting engines this big will give you a 50-80 hp gain, so deleting dpf is definitely worth it.
I also fitted a turbo back exhaust from DeGraaf a couple of months ago. My bakkie is very happy and doesn't even smoke with the DPF out. I did have it tuned around a year ago way before I did the exhaust, I'm curious to see how it goes after a retune. Will do that once I've upgraded the intercooler. I'm glad that we can still delete the DPF in South Africa. Also, DeGraaf pipes have nice big mufflers so inside the cab there's no exhaust noise at highway speeds.
The fact about exhausts is simple, the factory one is built to a price and a lot more emmissions and other regs, the aftermarket one doesn't need to fulfil the same build criteria. What the exhaust actually does is remove gasses to a "safe" place regarding passenger comfort, ie it doesn't gas the passengers. It also and more importantly regulates resonance, it's got nothing to do with backflow as most people think, it's all to do with frequency resonance and it's always a compromise. what works at 1500 rpm doesn't work ar 3250rpm, it can't! The gas flow at both speeds needs to be quite different. So that is why aftermarkets run bigger bore so the frequency developed by the exhaust is more ameanble to the engine's need to get rid of the gasses. The factory silencer is a proper silencer, the aftermarket box is actually a resonator, they are very differnt things and for different purposes. Resonator is to allow specific frequencies to disapate and the gas to expand, if the resonator isn't the correct resonance or in the wrong place it'll blow the pipe. Turbo engines also have very differnt requirements for exhaust resonantion than non turbo exhausts. As for the welds etc, the welds to pipe direct alters the metalergy of the pipe and that is what causes issues, it'll happen with any weld, whether joint or plate. as long as the inner surface is clean it'll last longer which is why a lot of factory exhausts are machine welded. Also MIG or TIG makes a massive differnce as the processes are quite different so is the result.
If you alter the exhaust you also need to alter the fuelling and induction as they are matched to a greater extent.
I'm exhausted from watching that.
Best comment
This content deserves an award!
Look lessons there, thanks for this guys, looking at doing my Everest and this has been a great help, well done Jock.
we need a battle of the exhausts to see which company is the best in Aus, and also a soundboard for the differences between attachments
It wouldn't be so much a battle of the best as everyone has a different taste in what they want their car to sound like. The soundboard idea is great though.
My TD5 Defender has no DPF, no CAT, no EGR and a straight through exhaust, definitely makes a difference, much more responsive and I’ve now remapped it, so even better🤷♂️
Thanks for the upload Jock! Was waiting for a dyno comparison between stock and aftermarket exhaust. Educational vid anyway 💪🏽
Must be a reason why no dyno
I have a 2.5inch dump to a 3inch exhaust on my 90 series prado 1kz-te sound nice not over the top love the upgrade.
If space allows, the 1KZ would appreciate a 3-inch dump pipe as well, as it helps EGTs considerably. Full 3" turbo back exhaust with a dog pipe resonator but no muffler should be mint on the old girl. Pre-DPF and Pre-Cat diesels are the stuff, mate. Way more freedom to free up the exhaust systems on these things.
i put a torqit exhaust on my 150 prado, as i bashed the stock muffler offroad, and toyota wanted $1200 to replace a motor, when i could get a whole torqit exhaust fitted for 1400. in terms of sound or performance, havnt noticed much change, works fine,. and definitely stronger off road. will be putting a pacemaker on my GU when i get around to fixing the head!
I have a Torqit exhaust on my Jimny , Sooo much better than a King Brown Pacemaker , I love it !!
An engine is a big air pump, the more efficiently you can get air in and out the more efficiently it will make power, back pressure is the enemy in any non 2-stroke application, for gasoline(petrol) and diesel engines back pressure robbs horsepower and kills mpg by killing the scavenging effect of the exhaust making the engine have to compressthe spentgasses and causing the system to have to work to breathe, again air pump, great vid and loads of good info
Nothing beats a 70 series v8 with no DPF and a after market exhaust. Good old 🩴 slap………
100%
na, suped up 4j
@@Titan-zt6ys 4j the world
Duramax beats it
Very informative I’m going to upgrade my 2019 exhaust soon,but really want as little extra noise as possible thanks for posting
PPD in WA.
I love their turbo back stainless on my navara
Great vid didn’t know there was so much to consider about exhaust systems
At 0:43, there is the first error. A petrol engine is NOT an explosion engine. It's a combustion engine.
At 1:00, there is the second error. The ideal exhaust for a petrol engine without forced induction - a natural aspirated engine, is not to have the gas leave as fast as possible, but leave as fast as possible, but with the correct back pressure. A forced induction engine, say with a komressor or a turbo, is another case. Out as fast as possible.
Cheers.
Back pressure is bad, but however pulsing is what you want in an n/a, a smaller diameter straight pipe exhaust will help with low end power as each pulse of the exhaust helps pull the next, like siphoning, where as a larger diameter straight through helps with top end power as it’s more free flowing, how ever back pressure, no matter what exhaust will rob you of power as it’s making your engine work harder, above all however, most of the differences is negligible
all we want is nice sound. I got a 3" in my 2.5 pathy. Car is also tuned. Has a nice tone and turbo dose. But I got it made at a local shop. Had issues with off shelf systems just not lining up and needing to go to a shop anyway. Hitech mufflers are fantastic!
I have a PPD 3 inch stainless turbo back with high flow cat, resonator and no muffler on my n70 hilux sounds and looks so nice it’s affordable aswell I think I paid about $800. I’m pretty sure my configuration is illegal in most states including my own
Nah it’s not, as long as it’s not too loud your fine because of the cat
Do you guys recommend upgrade exhauat manifold as well? Or not necessary
Would be awesome if you could share some info for the N/A petrols too? Specifically the vehicles from the 90's and early 2000's. What's the best system for power? Also how does back pressure work and does it make a difference to engine power and torque?
You want 316 grade stainless as its basically marine grade stainless, ie more resistant to corrosion
I like my cheap Chineseium 3” turboback exhaust from PPD, sounds awesome at full noise without any drone at highway speeds - almost silent actually.
I also bought from them for my N70 Hilux 1KD, way cheaper than others and for a normal consumer it's good enough
What about the different sizes? I've seen so many people go with the biggest one they can find (normally a 3inch on the 4 cylinder engines and 4 inch or larger on the 6 and 8 cyl engines). What is the best size for different scenarios?
I didn't disagree with this video until you showed me fiberglass packing. Nope! Not on my truck. Been there already. That stuff just solidifies after a while, especially with a catalytic system
The factory muffler you cut open, what vehicle was it off?
Which NP300 owner still has a dpf? If any...
I do x250d
I'm sure there's a couple Apprentices that have yet to get at the exhaust with a recipro
I still have a DPF in my 08 D40 Navara...
I put a 3” dpf back on my old triton, long story turbo crapped the bed engine ate it and ran on. Manufacturer wouldn’t honour the warranty as it “allowed the turbo to overspool and detonate” 25k fix. Got it fixed out of dealer diesel mech found it to be map sensor hose. Lost 7k saved me a heap tho.
Would you also upgrade to a set of extractors for a petrol motor?
Yes definitely
@sharons9367 thank you
Just did that to my LX470( not known for being frugal) my OEM ones cracked. I find it certainly helps at higher revs, fair bit more power, down low it does make a difference but is nearly negligible, much better sound though even through the same mufflers. That V8 sounds great though. Fuel, well on long distance, just got back from FNQ to SA it's better , probably a litre/100km. Short distance, be careful with that throttle it can go faster but will cost you! Headers price was $2500 including fitting. If I knew the benefits before it would be a tossup whether I would get them or not if the OEM ones weren't cracked. Sounds good though. 😊
I can tell by the "grain" of the "quality" weld of which you speqk of, is still not quality...the grain suggests too fast of a travel speed while welding. Which suggests to me, that production is prioritised over quality .....
Thanks Professor, love your tutorials.
I’ve had a redback extreme on my 80 series 1HDT for 10 years and is awesome quality. What do you think of them, from turbo back with straight through muffler
What about older 4x4s, ones that don't have dpf's and are N/A?
Arch brackets on the muffler edge spreading the load is there but did look like only tack well on each end of arch bracket not welded fully like on the tube 😵💫rest was informative thou 😁
Such a valuable vid this thanks guys!
Not mentioned is scavanging, on a non turbo engine , larger diameter (or altering length of) pipe may make your vehicle slower. The use of the word restriction, lead some astray .
Wher are the 4wd super center /kings exhaust?
Dpf delete, run stock exhaust. It will be less restricted then dpf and aftermarket exhaust.
See, here in Texas you just take a sawzall to that dpf, get you right
I got a question why don't they have the exhaust like a snorkel going vertical?
Straight pipes like that are illegal in some states in the USA...they are nothing more than Glass Packs, or Cherry Bomb (I remember a brand called "Hush Thrush" from the 70s and 80s that did this too. I prefer the Magnaflow or Gibson using parabolic reflectors to reduce sound. Dynomax also uses something similar.
What would you say about one who gets a muffler delete? Or goes for a smaller muffler? Would that be a bad idea in generating more power?
Also what about making a custom exhaust how about some advice on this please
@dcameron0500 if your vehicle has a DPF and the OEM exhaust isn't stuffed, don't waste your time or money. All a DPF-exhaust back will do is make more noise. Anything above 90db and you'll get in trouble with Johnny Law or the EPA.
A full proper system, extractors, high flow cat, high flow mufflers etc all the way from engine block certainly can improve performance.
A half system or muffler delete on a V8 79 just so it sounds like a fart in a milo tin is the most annoying sounding vehicle on the road.
Longest paid advertisment ever.
Wouldn't touch anything from pacemaker..
What don't you like about them? I bought a N70 Hilux with one fitted already and it seems fine.
@@kingkire1556same on my 100 series, nice note and smooth as silk.
I would like to know will it improve fuel economy
You can delete that clusterF of heat trap of a dpf in NZL not surevif leagal but they dont test it...yet..
So 409 ss is better than 304ss? How come all the other big brand is using 304ss but charging nearly the same price as 409ss and is not mandrel bended as you can see the visible welds at each bend?.
My diesel engine don't have a DPF it never came out with one it to old my 4x4 is a 1985 Nissan 720
In Victoria, if you make any modifications to a car, it can be defected.
Not an explosion, a controlled burn 🤓
So a straight pipe then 👌
Jock ask Shauno why doesn't he take Daryl on trips any more
Now GPF's are a thing along with a CAT
Engines have a controlled burn
NOTE AN EXPLOSION
I’d never own a DPF vehicle. Every year every model just gets worse & worse.
Old Td42ti, 80series 1hdt & the hdj79 1hdfte are the only trucks worth owning.
N70 hiluxs don’t come with DPF 💪
Nah mate, prefer my 4J thanks
I would like to know how the exhaust will affect the turbos, waste gate, valves (petrol apparently) and the EGR valve? Goggle has inconclusive answers.
Pacemaker, another great South Aussie company
You are shaming car makers, good work. Shout it loud so we don't have to spend money twice.
Can't believe how bad the quality of pacemaker is compared to Beaudesert exhaust poor welds and not expanded to be flush inside flange
You blokes should talk Toyota, Ford and the rest of them for a job You think you’re smarter than them . Especially in the roll of reliability
All anyone has to do is talk with the people who sell turbos, their business has increased 10 fold with all these bird brains who think a 4x4 is a race car and only has to make it to the finish line instead of 500,000 km down the line.
Ah the yellow sticker brigade. 😂
You forgot to mention how any modification to a cars exhaust system instantly voids the warranty on the whole engine
Mate has a straight pipe 3.0td hilux with the factory dpf system sounds mad still get all the psh psh turbo noises and sounds amazing doing burnouts and driving around even at idle it sounds awsome 😂
Id do it just to have more fun and enjoyment out of my vehicle to be fair 😂🇳🇿
LOUDD NOISESS
Waste of a video if you don't have dyno results or at least backpressure readings
Maybe some cars is ok with dpf, but other models it’s actually criminal the manufacturer could release a car with a problem like dpf.
Clearly mate u haven't heard about the California state ref... U cant modify the exhaust in California mate , or any other mods... Like bloody hell mate
We're talking about Australians not Americans
For all you people watching this being brainwashed to go out and buy a dpf back exhaust, DO NOT WASTE YOUR TIME AND MONEY, whilst ever the dpf is in place they do absolutely nothing but empty your bank acc, no noise no power gain, if you want either or both of those delete the dpf and keep factory exhaust, thank me later 🎉
How much? $$$
back ground noise toooooo loud
red cars are faster than others
Fact.
Posting B Cuz NEW Vid.: During Obstacles, U should Display on screen: Tire size/(brand)/or type , lift size, engine/trans Specs, locker info.
Ppd is cheap rubbish. King Brown for the win
To understand how an engine works IS NOT THE FUEL AND AIR IGNITED TO CAUSE AN "EXPLOSION".NOTHING OF THE SORT AND UNTRUE. IT IS DESIGNED TO BURN KT OVER A SET PERIOD OF TIME TO EXPAND THE AIR INSIDE. IF IT EXPLODES, THAT IS DETONATION AND THAT DESTROYS ENGINES. Do you really know what you are talking about, OR, just think you do???
Can of worms 😂
A bit off brand, but had a mate that straight piped with a 3mm thick straight section at the last half a metre of pipe. On a 2.0 ltr Corolla hatchback back in about 97. It did help with lag. But man was that thing was loud.
Modern diesels don't need an aftermarket exhaust system.
😂
😂
The DPF needs to be removed so you're already wrong
Need-No
Go better with-yes
@marnixhoebers5176 nope, thanks to the DPF, any improvements are minimal at best. If there were significant improvements in performance or efficiency, they would have included the data. Instead, they have provided a bunch of anecdotal waffle 🤷♂️
If you’re not running straight pipe, you’re running gay pipe.
Ay
DPF 🤮
Interesting how you have put together a video covering how the engine benefits from a modified exhaust to dispose of the burnt waste, but you have never addressed an even more critical detail of how a modified induction system affects the engine performance even more greatly when you point the snorkel intake the wrong way.
Literally every licensed engineer will tell you to face it into the incoming air stream.
Every bogan will point it backwards.
Let's see a video on that one.
Our video list is longer than you could imagine! We hope to do this soon legend.
First😂
Second! So close
No muffler = instant defect notice and a fine from the police. Be warned.
"Don't delete your DPF"
What a joke.