Unbelievable gains! Red Shift 468 Cam on a Harley-Davidson M-8 107. Dyno results are in!

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  • เผยแพร่เมื่อ 20 ธ.ค. 2024

ความคิดเห็น • 154

  • @butz68
    @butz68 4 ปีที่แล้ว +16

    So why the heck did I put a stage II torque cam kit on my M8 117 and only getting 99HP and 118 Ft lbs torque!?

    • @TravelingTall
      @TravelingTall  4 ปีที่แล้ว +35

      I understand your frustration. SE dosen't compare to Zippers Performance I'm not knocking SE but For example my 124 sleeper kit makes more horsepower and torque than there 131, and that's the sleeper with roughly 10 more horses and 20 more foot pounds of torque. It takes a 114 or 117 to make a 131. My bike was a 107. The SE 107 stage 4 kit makes it a 128 which the Zippers 124 out performs it even more than the 131. On a positive note, some people are comforted by the warranty that HD gives if you install the SE parts in the first 60 days of buying the bike. I can understand how that would be a major incentive, but if that's not your concern Zippers Performance gives you the best bang for your buck. Yes, I am bias toward Zippers but ask anyone who's into performance Harley-Davidsons they'll tell you the same. Thanks for the comment and thanks for watching.

    • @CactusJack252
      @CactusJack252 4 ปีที่แล้ว +10

      The EPA tune mostly

    • @butz68
      @butz68 4 ปีที่แล้ว

      Traveling Tall yeah, the warranty is a good thing. I guess I’ll upgrade in 6 years when the warranty runs out

    • @johnnyturbo8460
      @johnnyturbo8460 4 ปีที่แล้ว +8

      Because screaming eagle stuff is WAAYYYYYY under tuned, that's how Harley still offers a full warranty on it, because they know its not much more power.
      Zippers is good, but doesn't compare to Jim's V-twin perfomance 821B cam makes even more power.
      The M8 motor LOVES and needs to breath, i.e. a good performance cam, intake and exhaust.
      I have that on my 2019 Ultra Limited 114ci and it made 116hp and 134tq at the wheel on the dyno chart.

    • @TravelingTall
      @TravelingTall  4 ปีที่แล้ว +3

      Johnny, Ive heard you mention this cam before. I cant find any info about it. Is there a video on TH-cam?

  • @richardsmith5738
    @richardsmith5738 4 ปีที่แล้ว +28

    I like the way Dad is trying to hide that smile when it starts roaring.

    • @TravelingTall
      @TravelingTall  4 ปีที่แล้ว +3

      LOL He is extremely happy with his build Thanks for watching

    • @throwingsparks
      @throwingsparks 4 ปีที่แล้ว

      Dad knows!!

    • @SJJsolomonSJJ
      @SJJsolomonSJJ 3 ปีที่แล้ว

      😂😂😂

  • @hogslawgter8602
    @hogslawgter8602 4 ปีที่แล้ว +12

    Dad was truly happy soon as that baby fired up an then he was talking smiling at them sounds of crisp 107

  • @Zippersperformance
    @Zippersperformance 4 ปีที่แล้ว +30

    This is THE Bolt-In Big Torque Cam for the Milwaukee-Eight® Engine!
    The 468 delivers significant improvements in power and throttle response right where you ride. The Red Shift 468 is designed to compliment the 4-valve heads’ high intake flow while its unique design overcomes the restrictive exhaust port for big gains in both torque and horsepower. The 468 provides instant acceleration below 2,000 RPM while pulling strong to 6,000 - really shining in the 2,000-4,000 RPM cruising range. Cranking compression is unchanged for easy starting, and proprietary Red Shift Cams® ramp design delivers quiet operation and long valvetrain life. Works well with the factory Touring header pipe as well as aftermarket racing exhaust systems.
    Take a look at our site If you would like any other information for you Milwaukee-Eight

    • @njfinests
      @njfinests 4 ปีที่แล้ว

      so anything ending in 8 is a tq cam & ending in 2 is hp cam?

    • @carolinarider5237
      @carolinarider5237 4 ปีที่แล้ว +2

      What Cam would be good for a 103?

    • @timallen1262
      @timallen1262 4 ปีที่แล้ว +1

      Also would like to know what you would recommend for the 103, not so much hp but torque and reliability? TIA!

    • @tonydanzl
      @tonydanzl 4 ปีที่แล้ว +1

      I'm very pleased with my RedShift 587's (for the TC 110).
      Thanks for getting detailed info out there to the "general public".
      Nice performance with the 472 in the "cam shoot-out vid" also.

    • @CactusJack252
      @CactusJack252 4 ปีที่แล้ว

      What cam would you recommend for a 2019 sportster 1200? I prefer a drop in cam but I would replace lifters and stuff if needed

  • @charlieryan1736
    @charlieryan1736 4 ปีที่แล้ว +6

    I really appreciate that shops like this still exist 👍🏻

  • @rickyhawkins7407
    @rickyhawkins7407 4 ปีที่แล้ว +10

    Your father was as pleased as you were when they put the 124 “Sleeper” kit in your bike.
    Good video, thanks for the knowledge.

    • @charleshenson4183
      @charleshenson4183 4 ปีที่แล้ว +1

      Very cool family for sure.
      God bless you all & safe travels.

  • @jankinnu
    @jankinnu 4 ปีที่แล้ว +6

    Zipper's performance seems to make sure that their builds are done right and addresses any discovered issues. This kind of service comes out with years and years of experience. Very nice footage!

  • @gadams51883
    @gadams51883 4 ปีที่แล้ว +7

    Thanks Tall. I have learned more about the M8 watching these Zipper videos than anything else on the internet. As soon as my warranty is up, I plan to go with the 124 sleeper kit you installed on your bike. (I have a '18 Road Glide Ultra - 107) Also, thank you to Zipper's for the very detailed information that was well explained and easy to understand!!

    • @Moto_Steve_Adventures
      @Moto_Steve_Adventures 4 ปีที่แล้ว +1

      Same here, I’ve learned a LOT! I also have an ‘18 FLTRU that I’d like to set up with the 124 sleeper.

  • @rusnsc7622
    @rusnsc7622 4 ปีที่แล้ว +4

    Thanks to you Tall and the folks at Zippers for this educational opportunity. Hope your Dad enjoys the scoot!

  • @evil_musclemuscled3814
    @evil_musclemuscled3814 4 ปีที่แล้ว +1

    Man your dad was smiling like a kid in a candy store , that brother man's day was made . Real cool family hanging out and with the machines

  • @mikedarcheable
    @mikedarcheable 4 ปีที่แล้ว +8

    Another great video. Tell your Dad “Hold on tight!!”

  • @porter4817
    @porter4817 2 ปีที่แล้ว

    man so pumped watching your pops get hyped .. He said " i like that " lol big ol smile on his face . You the man TT 😎

  • @thejerseyj9422
    @thejerseyj9422 4 ปีที่แล้ว +3

    And that is at the wheel, awesome numbers. Man that baby must be a blast.
    Excellent video and I'm subscribing. 👍

  • @Magnus0311
    @Magnus0311 3 ปีที่แล้ว +1

    I got this cam on my 114 2020 Low Rider S. 107hp 128tq. It made a huge difference in the way the bike rides. It’s an absolute blast to ride.

  • @54Bob
    @54Bob 4 ปีที่แล้ว +6

    I live in South Jersey, Goal is to do what your Pop did

  • @dennism103
    @dennism103 4 ปีที่แล้ว +3

    Ur Dad raised you right.

  • @markpatrick7072
    @markpatrick7072 4 ปีที่แล้ว +2

    Thanks for the video . Your dad sure looks thrilled with the results . These videos are making me want to take my twin cam to Zippers for an upgrade .

    • @TravelingTall
      @TravelingTall  4 ปีที่แล้ว

      Thanks for watching Mark, give them a call.

    • @markpatrick7072
      @markpatrick7072 4 ปีที่แล้ว

      I am definitely thinking about an upgrade . Get it all done at one time ! It would be a nice long ride back home .Keep the videos coming and God Bless !

  • @charleshenson4183
    @charleshenson4183 4 ปีที่แล้ว +3

    That's awesome!!!!
    Hopefully you'll be able to see what kind of magic they work on the latest 131 stage 4 kit from HD.
    I can only imagine how they can transform one of those monsters.

  • @davidspin5353
    @davidspin5353 3 ปีที่แล้ว +1

    I got stock exhaust with RS468 and a Power vision tuner. 110 HP and 120 torque.

  • @cabby316
    @cabby316 4 ปีที่แล้ว +3

    The grin says it all.

  • @jerrydouglas7643
    @jerrydouglas7643 4 ปีที่แล้ว +4

    HD dyno'd my Stage 3 at 120 TQ and 115 HP. That's pretty good for an M8 also. Plenty for running up and down the streets and interstates.
    Enjoying your videos Tall. 👍

    • @TravelingTall
      @TravelingTall  4 ปีที่แล้ว +1

      That's solid numbers from a SE stage 3

    • @preachermanbe
      @preachermanbe 11 หลายเดือนก่อน

      I put the 472 comp cam in mine 107 and ended up with 112 hp and 120 pounds of torque that is with a head pipe and SVT jackhammers and a complete tune. Really happy with it.

  • @robtam7529
    @robtam7529 4 ปีที่แล้ว +2

    Wish my local HD shop knew what they were doing. I have had too many mechanic induced issues after maintenance.

  • @jonbassett8023
    @jonbassett8023 4 ปีที่แล้ว +2

    SUPER vid, bro! Learned a lot, SOLD! on the 468! Going in my 2019 Road King Special 114! Thank you!

  • @GodInTheMachine
    @GodInTheMachine 4 ปีที่แล้ว

    I like watching him try to talk while smiling

  • @kadimsilahtar
    @kadimsilahtar 4 ปีที่แล้ว +2

    I wish I had a son like you my friend, buying me a bike and upgrading it later on 😎👍 cheers mate, take care.

    • @TravelingTall
      @TravelingTall  4 ปีที่แล้ว +6

      Thanks for the compliment but I didn't buy his bike. He worked very hard to provide for his family and give his children a stable home. Many years of working outside in the extreme heat and cold just to be able to provide a good home for us. My Dad and Mom has always worked hard. Harley-Davidson Motorcycles has always been something my parents enjoyed. I am glad that he got to experience this. He's really loves what Zippers performance has done to his bike. I look forward to more Roadtrip this upcoming spring. Thanks for the comment.

    • @kadimsilahtar
      @kadimsilahtar 4 ปีที่แล้ว +1

      @@TravelingTall sorry man, I didn't mean that. You're taking a very good care of your father and I just admire this. Thank you for the great series of the videos.

    • @TravelingTall
      @TravelingTall  4 ปีที่แล้ว +1

      @@kadimsilahtar no problem, I just didn't want to take credit for something I didn't do. Thanks for watching.

  • @tahawknv4
    @tahawknv4 ปีที่แล้ว

    Just got the 468 installed. Dyno yesterday on my 117, 113hp and almost 130tq

  • @TheToycloser
    @TheToycloser 7 หลายเดือนก่อน

    I just bought a bike with this cam installed. Thank you for the video.

  • @pete8068
    @pete8068 4 ปีที่แล้ว +3

    Great video again Tall.

  • @CactusJack252
    @CactusJack252 4 ปีที่แล้ว +3

    I wonder what a 472 will do in a 107. That 468 is a strong cam though. Your dad will enjoy it for sure.

    • @TravelingTall
      @TravelingTall  4 ปีที่แล้ว

      I don't know. I have the 472 in mine but its a 124 kit. Thanks for watching Jacob

  • @edwinparedesnjusa
    @edwinparedesnjusa 4 ปีที่แล้ว +3

    Great information about the cams , thank you

    • @TravelingTall
      @TravelingTall  4 ปีที่แล้ว +1

      Thanks Edwin, thanks for watching.

  • @onlyhereonce7290
    @onlyhereonce7290 4 ปีที่แล้ว +5

    Money well spent. That engine came alive.

  • @cuzimaluzer777
    @cuzimaluzer777 4 ปีที่แล้ว +1

    Man I sure would like to see a video where your dad gives his impressions of how different the bike feels now.

  • @jeffcullen8594
    @jeffcullen8594 4 ปีที่แล้ว

    So my favorite part is his reaction to the whole thing. Enjoy traveling tall🤘🏽

  • @turnerjohnsonii4704
    @turnerjohnsonii4704 4 ปีที่แล้ว +2

    Great information, with the installation of your big bore kit and your dad's cam, did you gentlemen lose any gas milege, and thank you for your informative videos, keep them coming!

  • @leejo5462
    @leejo5462 4 ปีที่แล้ว +1

    Good video... liked how the cams were explained at the end... interesting 👍👍

  • @Steven-tf8gt
    @Steven-tf8gt 4 ปีที่แล้ว

    Love your videos that you put out with your product knowledge keeping us all informed, I just order the Red Shift 468 Cam for my Road King 2017 can't wait to get put in. Thanks.

  • @AmericanPatriot1
    @AmericanPatriot1 4 ปีที่แล้ว +1

    Good video, and great numbers for that M8 107! 👍🏻

  • @dennism103
    @dennism103 4 ปีที่แล้ว +5

    I got the torque cam in my m8 its excellent

  • @WO2GSCOTT
    @WO2GSCOTT 4 ปีที่แล้ว

    Just had my M8 dyno-ed with 468, SE air intake, Supertrap headers and Rinehart 4.5 slip-ons turned 105.12 HP and 126.34 Torque. Not to bad

  • @TravelingTall
    @TravelingTall  4 ปีที่แล้ว +4

    I would like to thank everyone at Zipper's Performance for the build on my Dad's bike! The Red Shift 468 Cam, Thunder Max Tuner and Krhome Werks Full Exhaust got him into the Hundred Horsepower Harley Society! Matching 107 cubic inches with 107 horsepower from a cam install. If you are interested in the parts list and cost please contact Zipper's Performance (410) 579-2828

  • @harleycamper5577
    @harleycamper5577 4 ปีที่แล้ว +4

    Sweet,Sweet Music!

  • @barackblows1942
    @barackblows1942 3 ปีที่แล้ว +1

    How does it compare to the S&S 465 or 475 cams? 🚀

  • @thornhillwilliams2025
    @thornhillwilliams2025 4 ปีที่แล้ว +3

    Very informative video. Thinking about trading my m109r to a Harley or Indian to allow me to upgrade my engine.

    • @NicePantsLance
      @NicePantsLance 4 ปีที่แล้ว

      You can definitely upgrade the M109r engine. Theres guys making over 120whp with their Boulevards. Rods, pistons, valves, head porting, etc could get you over 170whp, and with a shot of nitrous you could get over 200whp!
      Even with just intake, exhaust, and tune you can run high 11's in the quarter mile. Not trying to deter you from buy the Harley or Indian, but you should stick with the M109r and get more power for less $$$

  • @skip4250
    @skip4250 ปีที่แล้ว

    What's up Tall? Love the videos. I'm seriously thinking about doing this same upgrade to my 2020 street glide. If you don't mind, how much did it cost for the 468 cam, the exhaust, tuner and labor. In other words, total cost for everything.

  • @jayunitedwestand1810
    @jayunitedwestand1810 2 ปีที่แล้ว

    everyone loves the dyno tune so much...it's tuned on rollers correct? do you ride you're bike on rollers? i didn't think so it's not how you should be tuning it you have to get out there and ride and tune

  • @victorjohnson9672
    @victorjohnson9672 4 ปีที่แล้ว +4

    Great Info

  • @chrisl.7345
    @chrisl.7345 2 ปีที่แล้ว

    Wow that’s impressive…. maybe I should pick a Zippers 468 instead of the S&S 465 for my winter project 🤔👍🏻

  • @UsetoCud
    @UsetoCud 4 ปีที่แล้ว

    What causes the tracks you saw on this video? My bike has unusual wear on the tappets where the rear wasn’t too bad but the front was nearly to the edge.

  • @wolfemanbog4176
    @wolfemanbog4176 ปีที่แล้ว

    🎉🎉wow my next move will be this cam !!!!!

  • @1Bigduff
    @1Bigduff 4 ปีที่แล้ว

    Did you do a full cam chest upgrade (including cam plate and oil pump), or just install the cam with the new lifters and thundermax? thanks.

  • @skip4250
    @skip4250 2 ปีที่แล้ว

    Tall. Love the videos. If I'm not being too personal, how much did all of that cost your dad? I'm thinking about having the same thing done to my 2020 street glide by Zippers Performance.

  • @Zipoldy
    @Zipoldy 4 ปีที่แล้ว

    Any chance of making a run with the 114 M8 engine... I have the 2020 M8 114 and this is a very interesting cam.

  • @terrydalme2885
    @terrydalme2885 4 ปีที่แล้ว +2

    Hey y’all what header did you’re dad use on his bike and model of the mufflers thanks terry

    • @TravelingTall
      @TravelingTall  4 ปีที่แล้ว

      Krhome Werks. It uses the stock HD Heat shields, I can't remember the exact model name. check them out. www.khromewerks.com/

    • @chrisreid9814
      @chrisreid9814 4 ปีที่แล้ว

      It is the new Hideaway header from Khrome Werks. Part number is 200100. The mufflers were our 4.5" HP+ models with the Klassic end caps part number 202725.

    • @Old-n-slo-locked-n-leaned
      @Old-n-slo-locked-n-leaned 3 ปีที่แล้ว

      @@chrisreid9814 Do you know which baffle he used in the mufflers?

  • @chrismiller4753
    @chrismiller4753 2 หลายเดือนก่อน

    Great numbers, but what does this do to your gas mileage?

  • @paulharding6638
    @paulharding6638 3 ปีที่แล้ว +1

    Great video.

  • @KHGRoadDog93
    @KHGRoadDog93 ปีที่แล้ว

    Weird...my 2020 street bob with a 107, I did a stage 1, SE heavy breather intake, Bassani 2-1 exhaust, and SE tuner. I started at 80 hp with 110 ft pnds of torque and now make 89.7hp and 119 ft pnds of torque...what is your set up then? Im just confused. Do you just have slip on's for exhaust?

  • @damienfrigo4734
    @damienfrigo4734 3 ปีที่แล้ว

    Do you have any video's on the 468 in a stock 114 BREAKOUT M8 ? as i just bought your cam ??????

  • @bloodsy74
    @bloodsy74 4 ปีที่แล้ว

    Man that's unreal.... If you don't mind me asking how much was that installed?

  • @shasiceruti8994
    @shasiceruti8994 4 ปีที่แล้ว

    Hey Tall what made you guys go with Khrome Werks exhaust & what do you like about them?

  • @smoothsam7
    @smoothsam7 3 ปีที่แล้ว

    Great video needed that

  • @jrharper5459
    @jrharper5459 6 หลายเดือนก่อน

    This company needs to understand that a lot of people has a 114 also not much information on 468 in a 114

  • @Dustin359
    @Dustin359 4 ปีที่แล้ว +4

    Your brother looks kinda cold

  • @Old-n-slo-locked-n-leaned
    @Old-n-slo-locked-n-leaned 3 ปีที่แล้ว

    Does your Dad’s build have the quiet baffle or performance louvered baffle in the KW 4.5” mufflers?

  • @ironsteed5766
    @ironsteed5766 3 ปีที่แล้ว

    Planning this on my next upgrade. A year later how's it holding up? Any issues?

  • @jordanlane6139
    @jordanlane6139 3 ปีที่แล้ว

    Has your dad changed anything power wise since the recording

  • @dry509
    @dry509 4 ปีที่แล้ว

    So are all stock Harley m8 motors have the problems, loose tolerances, etc you have been documenting? Is this typical of stock motors?

  • @beastieboy3926
    @beastieboy3926 ปีที่แล้ว

    That`s a lot of torque ,but it`s pullin a lot of weight.However a great increase. My 1200 Buell gives 100 bhp with 98 ft/lbs torque ,but only weighs about 185 kilos [ 400 lbs].As any car/ bike tuner/ racer will agree,weight kills performance.

  • @tlimsisnw1948
    @tlimsisnw1948 3 ปีที่แล้ว

    Can you put just a cam in only. How much did his upgrade cost if you don’t mind saying

    • @feloniousmonk3049
      @feloniousmonk3049 ปีที่แล้ว

      Yes you can. Yes, your butt dyno seat of the pants will feel the difference. Unless you do the work yourself, it's a lot of $ for a little bit more HP and torque. $270 for the cam, non street legal, plus some other parts, probably over $2000 if you have someone else do the labor.

  • @Elkslaya1
    @Elkslaya1 ปีที่แล้ว

    Is that a Stage 2? Stage 3?

  • @johnnyceeuontheroad.2389
    @johnnyceeuontheroad.2389 4 ปีที่แล้ว

    Nice! Do people void warranty when that gets done at zipper's?

  • @bradbeck6158
    @bradbeck6158 4 ปีที่แล้ว

    Nice wholesome video ;)

  • @Aleoop57
    @Aleoop57 4 ปีที่แล้ว

    So what lifters did you put in the bike with the 468 cam

  • @DJGENOTYPE
    @DJGENOTYPE 4 ปีที่แล้ว +2

    So, people actually spends tons on a stock bike and spend even more on upgrades just to make a HD still have less power than a stock Goldwing?

    • @ronbranum4134
      @ronbranum4134 4 ปีที่แล้ว

      Apple's to Orange's.....

    • @maddawg4599
      @maddawg4599 3 ปีที่แล้ว

      And you still can’t hear a goldwing, so what’s the use?

  • @rider14mcd63
    @rider14mcd63 4 ปีที่แล้ว

    Good explanation.

  • @wolfemanbog4176
    @wolfemanbog4176 ปีที่แล้ว

    Sound nice

  • @1YouTube_you
    @1YouTube_you 4 ปีที่แล้ว

    The streak in the cam isn’t that abnormal! I see that on Harley garbage all the time! I’ve been a Harley tech for 23 years now! Harley parts suckand that just makes room for The aftermarket

  • @notme1453
    @notme1453 ปีที่แล้ว

    My comment below was intended for Glen. At the bottom of comments.

  • @caddymac6917
    @caddymac6917 4 ปีที่แล้ว

    Question,why not purchase a machine with a hundred hp in it already ,than spend all that money to make it up to that power point?

    • @Dustin359
      @Dustin359 4 ปีที่แล้ว +2

      Just because a bike has the power, doesn't mean it has the other things you need.

    • @harleycamper5577
      @harleycamper5577 4 ปีที่แล้ว +2

      Because other machines are NOT HARLEYS! If you would like to value shop that is fine plenty of imitators out there to choose from.

    • @caddymac6917
      @caddymac6917 4 ปีที่แล้ว

      @@Dustin359 like what, just getting started into bikes looking at all option no arguments ,just want info.

    • @dirtbeard108
      @dirtbeard108 4 ปีที่แล้ว

      @@caddymac6917 I would always ride a Harley.. but you can ride a 135hp Goldwing or 160hp BMW bagger right off the showroom floor.

    • @TravelingTall
      @TravelingTall  4 ปีที่แล้ว +3

      ⚠️🛑 You can't get a stock Gold Wing with 135 HP off the show room floor, but yes they have more horsepower than most stock Harleys. Yes the BMW makes 134 rear wheel hp but not the Honda Gold Wing. The Gold Wing makes 98 rear wheel horsepower Check out my video th-cam.com/video/DCF53Kf2s7Y/w-d-xo.html
      Thanks for watching and the comment.

  • @jameshine7840
    @jameshine7840 2 ปีที่แล้ว

    Buying a Harley is a money pit . All the money that’s spent trying to get the performance out of a Harley is insane. I ride a 2019 Gold wing DCT Tour, 125 HP out of the crate. How much money do you have to spend to get that HP? After all those upgrades to try to get more HP doesn’t mean a thing, you will not beat a Gold wing in the DCT sport mode, you’ll never be able to shift a Harley as quick as a DCT can shift while pulling hard all the way to top speed. So people take it from me, stop spending stupid money on a Harley when you can everything you want from a Gold wing DCT, also along with that you get comfort, handling, speed, just saying. I owned to Harleys, the last one was a 2017 Street Glide Special, loved the look, but that was it. Harleys have the worst seat in the industry, top heavy, slow. That’s why everybody has to spend a fortune to get what the Gold wing already offers out of the crate, just saying.

    • @freebehindbars8654
      @freebehindbars8654 7 หลายเดือนก่อน

      There’s a reason Honda sells 12 DCT bikes and only people in cargo khaki’s tell you “nice bike”. Honda makes a reliably smooth, boring motor. Some of us want more.

  • @tbpc1
    @tbpc1 4 ปีที่แล้ว

    For this video, you should have specified that it was for the Milwaukee 8, so us twin cam guys didn't have to watch most of the vid of unnessisary info

  • @Glen-hn9wu
    @Glen-hn9wu 4 ปีที่แล้ว

    Still a slug ... air cooled push rod motor boring!!

  • @Hooijnbvn
    @Hooijnbvn 4 ปีที่แล้ว

    Zipper,s installed the Redshift 468 in my 2018 115th Anniversary Street Glide and used my Harley Street Pro Tuner and SE Mufflers. Shortly thereafter I purchased the Khrome Werks mufflers from them. Huge difference and you must run baffles. I just installed the Khrome Werks header and Thundermax and will be taking it Zipper's to have them load their map and tune. The difference is like night and day with the header and Thundermax.
    As far as Zipper's. None better. Highly recommended, they stand behind their products!