CVO Technical > Intake/Exhaust/ECM

2025 CVO Roadglide with 135 kit. Which exhaust should I go with?

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Fullsac Performance:

--- Quote from: FLSTFI Dave on February 12, 2025, 08:43:33 AM ---Yes its center cooled and VVT.  I'm really liking it.  A couple are working on Cams and tuners for it. Impact seems to be the only one that can tune it so far.  Waitingg on TTS or Power vision. I feel it is the best stock M8 so far.

--- End quote ---

TTS should have VVT options in the near future. I have the 2024 117. I have been running the T max but going to back to the stock ECM with a TTS tuner very shortly. Just received the TTS 185 cam yesterday. Should go north of 130 HP. The new heads are very good! Best M8 so far for sure!

Fullsacsales@gmail.com

09nessrg:
All right Steve, always informative!

HOGMIKE:

--- Quote from: SDCVO on January 25, 2025, 11:53:42 PM ---Haven't researched exhausts in a while and just ordered a bike with the 135 kit. I dont know if anything has changed in the last few years on what is out there. I have Fullsac headers and Tab Zombie's on my 19 with the 131 kit and I like the sound and the performance. I have Boarzilla's on my 12 with the S&S HC motor. I like that sound and performance also. Dealer is recommending D&D on new bike. I admit I am very immature and the louder the better as long as it's not hurting performance. My favorite exhaust in the world sound wise are CFR's but my tuner hates them (as do all good tuners I think) so I stay away.
Suggestions??

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My buddy has a new CVO ST and the stock muffler on that bike are pretty quiet until he opens it up.
My present Fullsac header/muffler combo on my 124 is just a LITTLE louder across the range than his stock setup.
Both are relatively tolerable at low throttle settings. The Fullsac setup I have is louder specifically because I have no cat and he does.
The titanium muffler is lighter and actually looks pretty good with his black color.
I’m not sure if it would work with the larger built 135 but it’s probably good for 130-140 HP?

It would be interesting to see a built 135 vs Steve’s full exhaust system on his dyno.
My 124 mild build has his setup and works very well to 140 TQ.

Thanks again Steve for suggesting the parts source for my bike! They were very helpful.
70K miles on my build and still going strong!💪

FLSTFI Dave:

--- Quote from: HOGMIKE on February 12, 2025, 11:07:56 AM ---My buddy has a new CVO ST and the stock muffler on that bike are pretty quiet until he opens it up.
My present Fullsac header/muffler combo on my 124 is just a LITTLE louder across the range than his stock setup.
Both are relatively tolerable at low throttle settings. The Fullsac setup I have is louder specifically because I have no cat and he does.
The titanium muffler is lighter and actually looks pretty good with his black color.
I’m not sure if it would work with the larger built 135 but it’s probably good for 130-140 HP?

It would be interesting to see a built 135 vs Steve’s full exhaust system on his dyno.
My 124 mild build has his setup and works very well to 140 TQ.

Thanks again Steve for suggesting the parts source for my bike! They were very helpful.
70K miles on my build and still going strong!💪

--- End quote ---

Steve's M8 head pipe and 2.25 baffles work well to at least 167 torque and 163 HP.  Dyno did not show it holding power back anywhere.  Torque was impressive down low also.

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