Rush Racing Pipe Baffle Re-Pack | Is it quieter?
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- เผยแพร่เมื่อ 16 ต.ค. 2019
- I wanted to see if I could repack the baffles on my Rush Racing exhaust pipes to quiet them down. I bought some Moose Racing muffler packing and a roll of fiberglass exhaust insulating tape to see if I could come up with my own packing set up. Check out this video of what I did and if it worked.
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Excellent video, I've fitted some V&H's to my Rogue and they are loud and now you may have given me the confidence to repack them myself
Read the comments in this video. Some really smart people have chimed in on how I could have done it even better. Hopefully that will help. Thanks for watching
Sounds so clean and good volume
Thanks John
That sounds good
Sounds fantastic with your wrap job!
Thank you, I'm really pleased with it
Sounds great! My Scout is still in waiting on the Indian stage 1 straights, and the sound I am hoping to get is what you have with your re-packed exhaust. Throatier than the stock exhaust but not ridiculously loud. Great job! Thanks for sharing.
Thanks Sean. TBH, I wish I would have go for the factory Stage 1. At the time, I didn't want to spend the money, but in the end, these cost me way more. Good luck with your set up, thanks for watching/listening.
Way quieter but still a beautiful tone. Thanks for giving me the link. I never got this notification.
No problem, do you still have the factory pipes on your Dark Horse?
Open Roader yeah still factory haven’t decided whether to change them up. I quite like the sound stock, it still is loud and i wear my ear plugs.
That Indian is a BEAUTY!!
Thank you
i bought some LAF pipes and made my own baffles , its a fun time trying to tune sound , you need to find a good balance , nice job 👍 ,looks like you did good ...
Thank you, I agree, tuning to your own ideal sound is fun. Thanks for your comments
Well good job! Will have to do something similar on my Scout Bobber with HP Corse exhaust. It's ok when I drive but too loud for others...
Thanks man, good luck
Should have tried putting the baffles in the other way, with the internal openings facing the engine. I had a straight through muffler like that and in the instructions it stated if you wanted it quieter, holes towards the flow, louder the other way. Love the bike!
Very interesting, never heard that before. Thanks for watching
I love my crushers but I thought about modding my stock mufflers at some point. Good to have options
Good advice spreading the tang😉
I'll keep my eyes on your channel should you make any muffler adjustments!
@@CDLNEPA Thanks, figured that out the last time I swapped the pipes
To make them quieter turn the baffles round , the open ends of the slits should be facing the engine and not the way you have them fitted
Well nice improvement about the loud save lives you still have a loud one so thats ok
Very true, thanks for watching
I got the quiet baffles for Mrs Rebels' Scout and they don't sound much quieter than the standard baffles!
The "Quieter" baffles I got from Rush were the same, they even told me they were only a few dB's lower. Stay tuned for next weeks video when I do a full test ride and break down!
I wonder if the super tight packing of the original baffles prevented them from dampening a lot of the noise.
No that should not happen if or because the material is soft and absorbs the sound waves.
Just bought a Road Glide with the 103, Rush ceramic coated headers and their "Big Louie" 4" slip-ons with 2.5" baffles. Loud as hell. A look down the baffle shows the packing was removed or has blown out. I use the same Moose Racing material you have on my built Guzzi LeMans and it does take the "bark" out of the note. I'm pulling the Rush baffles and repacking this week.
Awesome, I hope it improves the sound
Well, didn't go as planned. The baffles would not pull out while on the bike, yes, the retaining screws were removed. I had to take the mufflers off and soak the edges of the baffles with Pblaster then drive them out from the front side with a wood dowel hitting against the floor. Just like using a fence post driver. When it was halfway out I saw that the packing was still in place. With the Rush ceramic header (no cat) and the Big Louie's 2.5" baffles, they're just LOUD. I did pull one baffle completely out and removed the old packing and found that the first 2/3rds was solid pipe wrapped to prevent heat from blueing the chrome. Only about 6" of the last third near the end was louvered for sound absorption. Pretty much a straight pipe with 6" long baffle. Now the struggle to get the baffle back in. I suspect that the outer shell or the baffle cups aren't completely round as it's a very tight fit and they get stuck. If I lean on the shell the baffle will go in further. Rush suggested I grind the cups down which is crazy. In the meantime I've put the stock mufflers back on and that really kills the performance. The Rush header and Big Louie combo gives great performance, just need really good earplugs.
I have a spare set of baffles if you're interested, let me know. Hopefully you can get this worked out
It still sounds good to
Thank you, yes, I agree, still got that nasty growl. Love them
@@OpenRoader 👍yes sir
WOW, I have to admit, that sounds better than my Softail 2020 with Vance and hines Stage 1.
Congrats. I will probably do the same repacking. Thanks for the inspirational video! Would be nice to know what the actual decibel levels are at.
Thanks for your comments Christian. I wish I had an actual decibel meter to test this. I fired up the bike yesterday and forgot how loud it was 🤣, it's still loud. But I love it 😁👍. Ride safe
Trying to quiet my Rinehart Racing pipes too, and might go your route. And mostly impressed that you live in Italy. I grew up in Rome (dad worked in the Embassy), and man would I love to move back. Rock on man, keep riding...
Thanks for your comments Mike, glad this video gave you some information. You should come back to Italy and rent a bike ride the whole length. You ride safe as well.
Yeah, I'm pretty sure if I visit I'll just stay. Open a SCUBA shop and call it good.
Me too Rinehart soooo loud
@@bryanscars Comment is gonna show from my wife, Becky. This is Brian. I don't have TH-cam or Facebook accounts. I have same issue. '17 Road King M8. Did Stage II with Red Shift 468 cam Rinehart True Duals and mufflers and now have severe tinnitus after just two days of riding. I thought my ears were gonna start bleeding! I had to get the best ear plugs I could find for blocking sound, but need to quiet these mufflers down. Noise violation just waiting to happen. I have yet to dis-assemble the mufflers to see if they even have insulation in them. Sure don't sound like it. I am going to try this and see how much I can reduce the db's.
Hopefully you can quiet them down.
Lots of people might not understand why you’d want quieter mufflers but if you’d had that ringing in your ears from days of riding you’d know exactly why. Great topic Chris, I think I’ll do something similar for a certain multi-day ride next August. The ear that got hurt - was it the same side your pipes are on?
Actually, the ear that got hurt is my left, that's the side my ol' deaf guitarist stood on with a full Marshall Stack for 18 years. I never really had an issue with it until I rode to Sicily. 7.5 hours each way and when I got home, my ear was more than ringing, it was hissing. Hasn't been the same since. There is no way I could even ride with these pipes without ear protection now. 30 years of loud music and then loud pipes didn't mix well for me. Thanks for watching
I always wanted loud pipes on all my bikes. Just bought a rebel 450. Got a extra set of headpipes and bought cocktail shaker mufflers for them. It’s so loud. I live in a older neighborhood and I don’t want to be that guy anymore lol. I definitely need to find something to quiet them down. Either that or put the stock mufflers back on
Yeah, I put my factory pipes back on. I also now live in a normal neighborhood and don't want to be "that guy". Thanks for watching. Ride safe
The loudness is coming through the end of the muffler, not through the baffle. If you want quiet. You don't want to obstruct those holes. By packing tight, you're allowing more flow through, kinda like a straight pipes. My Rhinehearts DBX had no packing from manufacture and they are quiet. I even welded and pluged some holes to make it louder.
Very interesting and makes sense. I've since sold these pipes, but this is good information for anyone reading the comments, thanks
Not sure this makes sense. The baffles/fiberglass absorb the sound that is going through the holes the baffle, which w/o the baffles, the sound would escape through the baffle and out the end of the pipe. Is my thinking flawed? Otherwise why would mfg’s use fiberglass at all?
To be honest with you, I really don't know 🤷♂️
Ok.. The theory is quite simple: if nothing breaks the sound waves the pipes are loud. If nothing dampens the sound waves the pipes are loud.
So you need a "not full surface".. therefore the holes, which break the sound waves bouncing back and forth. And you need layers of soft material to absorb them. Fiberglass is heat resistant so it is used for that. Whatever can resist 200º-300ºC ca. is ok.
In theory you can use cotton fabric or wool too, outside the fiberglass layers... If it doesn't burn it's ok. (therefore you can use masking tape outside. The temperature on the outer surface of the fiberglass is not that hot and even paper masking tape doesn't get burned).
Some baffles have that further piece of metal straight through the diameter, it goes towards the engine (against flow) and its role is to break the sound waves at the beginning of the packed pipe. If you turn the baffle around and have it at the end of the pipes it doesn't work as it should... Pipes are therefore louder.
Not all baffles have that, but you can create it, for example using twisted steel wire straight through the diameter of the baffle.
Then it's important to have enough space (volume) to let the combustion gas go out: larger pipes (larger baffles) allow better combustion-gas outflow so you could gain some HP, but only up to a point. But larger pipes they are louder, of course because the sound waves bounce out with less resistance. Smaller pipes (thinner baffles) could reduce the outflow and you could lose power. But they are more silent, because the sound waves bounce more and get absorbed more.
You have to pick the right balance.
Of course the softer and thicker the absorption layer is the softer is the sound (because you cut the higher frequencies.. high frequency waves bounce more and get caught - absorbed - more on their way out).
That's for the theory...
Ideally you want
- baffles slightly larger than the original baffles in diameter (10% to 20% ?) to gain some HP.
- larger housing to wrap the baffle more if needed, in order to dampen more sound.
- and maybe also slightly longer pipes to dampen (catch) even more sound on its way out.
It's really not bad. My only concern is that you reduced the diameter and you could have lost 3, 5, 8 HP power... You have to check if you notice any difference in the highest RPMs, when you want full power.
Привет. Hello! город Красноярск смотрит. Veri good
Привет Макс, спасибо за настройку!
Sounds better, not wimpy like stock, and not raspy like the regular baffles.
I agree, just right.
I think you achieved something very good !?
How is it sounding now? Is it still the same or it went back to the loud tone?
I think it has "burned in" and I think it has lost some of its Mellow tone, but certainly not as loud. It has more of a growl or bite to it.
Sir : what do you use to re tune the computer !!?? I brought mine to the dealer , cost me $$$ and logically now I am screwed as soon as I modify my pipes in order to make them quieter :(( thanks for all the help
I purchased a DYNOJET tuner.
@@OpenRoader Better than FR3 Pro...?
I’m trying to do something like this on a much smaller scale on a motorcycle. Does air have to pass through all that wrapped material?
Super easy to do, size doesn't matter. The air will pass through the center pipe, the baffles are on the outside, they absorb the echoes of the exhaust
@@OpenRoader ok that’s what I thought but the guy at O’Reillys was telling me that it had to be a thin layer do air could pass thru. Do you think that I could use exhaust wrap?
The material I used in this video can not be used as a wrap. But there is a cloth tape for that. Very common, get it O'Riley's, but it won't change the sound. Only the internal baffles can do that
@@OpenRoader what I mean is, do you think that I could use the exhaust wrap from O’Reillys to wrap my baffle. I can’t find the fiberglass material at any of my local auto parts stores. I’m thinking that I could wrap the baffle with exhaust wrap instead or tracking down fiberglass online and then stainless zip tie on each end.
Oh man, I'm sorry, that one I don't know.
Is there a specific wire that u have to use? Or will any wire work? :D.
I used thin bailing wire
@@OpenRoader ok, Nice! Are you still happy with the re-pack? I have shark road 3inch for my Sportster, and the exhaust has a crazy good sound, but its waaaay to loud! And the baffle has no packing at all.
I love the sound of the pipes, but they are still super loud
Dear Sir: I am in exactly the same situation . I bought some superbe Screamin Eagle for my Nightster: a Hell of sound but even with earplugs it’s a nightmare . I disassembled them to find that the packing was burned . I tried to fix them with Fiberglas house insulation like I saw on YT, to no avail. So I bought the stock mufflers ... nothing good: they are also “burned”.. and it’s even worse because I did the Stage 2: and now I smell like fuel like hell... so I want to put back the screaming eagle put how the hell am I going to shut my panthère up!?? I am continuing to watch your video...
I hope this video helps you repack your pipes. I'll tell you what I added to help with the noise. I bought some Hearos 33 NRR ear plugs. They are the highest rated ear plugs I could find. Yet I can still hear my GPS directions through them with no problem. I also upgraded my helmet to a Schuberth C3. This helmet with designed purposely to knock down noise and it makes a big difference. Between the baffle repack, the ear plags and the Schuberth C3 helmet, it's made it possible to live with these pipes and I just love the sound. Hopefully this helps, thanks for watching
Open Roader cheers mate ! I bought a couple of years a Bell. Love it but really not efficient . Still: will try to re pack for the last time .
Open Roader your packing compare to mine was purely new, btw
Hello,
That burning is normal considering the heat of the pipe.
I have the cobra rpt3 and installeren the 2.5 inch quiet baffles instead the 3 inch.
In the first 2 week at every stop you smell that roasted fiber.
With the quiet baffles it gives about 92 db at 2500 rpm. On a fatboy 2011.
Loud enough for me. At cruising speed they dont boter at all.
Nice, thanks for the info
Like it more than and HD...?
I've never owned an HD, so I can't compare
Hi ,no danger for the thermal tape on the inside?
As far as I understand it, the masking tape burns away
@@OpenRoader ,ok sorry i m french, well no danger with masking tape? You
you put tape over the entire length?
No, it burns away. No problems
@@dav6680 yes
I bought fiberglass to wrap vance and hines baffle. Not sure what else i need. I’m thinking welding a small fan inside baffle to reduce more sound.
Interesting, I watched many video's showing the inside of baffles and some were very blocked, so it will probably lower the sound, but may slow performance. Best of luck
Open Roader that’s why i’m not blocking air
How much length let me thx
Sorry, I'm not sure
Damn: just realized that you change the whole inner pipe so you can put more insulation ...??
No, same inner baffle. The Rush Racing pipes do offer swap-able baffle inserts and I do have two different ones, But you should be able to use the one you have with your pipe. I just made it as dense as I could, packing in as much insulation and wrap as I could
Open Roader ok so they gave you the option of 2.5” or 1.5”...? So it allows you more insulation ...? Maybe I don’t understand well...
I was the same, I didn't understand what it meant. But the diameter of the center baffle tube is smaller. I don't think it gives more space for packing material (I could be wrong) but the pipe in the baffle was bigger so I figured more flow, better power (again, could be wrong) I was able to get double the packing material in there and it did help quiet things down.
@@OpenRoader Ok.. but if the center baffle is smaller doesnt help you to put more insulation compare to the original..? Also: where did you buy your material, like the fiberglass tape? Finally: please come back to me about your system to be able to remap your ECU ! Is it a Commander ? I find that your sound is now really perfect: you find that it's still to loud??
I actually did not take both sized baffles apart. I had bought the pipes with the large diameter, then bought and tried the small diameter and then cut the packing off the larger diameter. I found the packing material and fiberglass wrap tape on Ebay. Just looked up Motorcycle muffler packing. As for the computer reflash, I use a Dynojet programmer (purchased separately) and for the sound. I love the way it sounds, but GAWD DAMN it's still loud 😂. I do think the over all tone has changed since I did the repack. I think it has burned in and probably opened it up again, but I don't feel it's as loud as it was from when I first got the Rush Racing pipes.
Looks like the entire surface of the packing was wrapped with tape. That would prevent any absorption
Seems to be the way it's done. I looked for a bunch of videos on YT and they almost all show wrapping with masking tape. I also thought it would all burn off, but I put 2k miles on the set of baffles I unwrapped and they still had masking tape as you can see in the video. Thanks for watching
@@OpenRoader
Ive usually only seen 2 or three bands of tape used. If the tape doesnt burn off, and the entire surface is taped, then there is no absoption of sound.
Interesting, I'll open these up down the line and see if the take has been burned off. It's been about 5k miles now
@@OpenRoader
Strange that the tape didnt burn off before. Usually does
Yeah, the factory tape that was on the Rush pipes was still on there. It was crispy. Maybe just needed more time 🤔
Steel wool and wire
Steel wool burns, not sure that would be a viable option
All this and we dont even get to go riding with you???
Here you go: th-cam.com/video/HtUbLjO4XxY/w-d-xo.html
Way to loud. I guess bikes are loud so people can hear them coming. Otherwise I would wish they were no louder than cars
Haha too quiet