2018+ Softail Models Breakout

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Old Jan 18, 2020 | 12:58 PM
  #11  
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Originally Posted by AJ88V
May well be true, Mike. I just watched the video which was useful - my new Cobra 2-into-1 exhaust came today. I'd be installing it, but it's snowing and crappy outside.
Yes sir, looking forward to your thoughts about the Cobra. There's about ten 2-1 exhausts for the M8 Softail available now, no reason to not find something I like.
 
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Old Jan 18, 2020 | 09:00 PM
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Originally Posted by OldMike
Yes sir, looking forward to your thoughts about the Cobra. There's about ten 2-1 exhausts for the M8 Softail available now, no reason to not find something I like.
Have you considered the V&H Pro Pipe with the new design quiet baffle?
 
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Old Jan 18, 2020 | 10:02 PM
  #13  
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Originally Posted by Hulkss
Have you considered the V&H Pro Pipe with the new design quiet baffle?
The V&H Pro Pipe was the top of my list. V&H is a top quality product and I like the collector design, baffles, and longer length of the pipe, which is similar to the S&S pipe. It seems the longer pipes seem to perform better, even if they weigh more and (to some) sacrifice looks.

in the end, I bought the Cobra El Diablo 2 into 1, which is a longish pipe, but not as long as either the V&H or the S&S. The collector is similarly designed, joining with a shallow angle (unlike the Danmoto) around the gearbox and the pipe seems to be about 4-5 inches shorter. Decision was made mostly on price and perceived quality. Haven’t installed the Cobra yet, but build quality, welds, and chrome.look at least as good as other V&H pipes that I’ve had previously.

I’ll take some pics of the Cobra and write it up when I install the new pipe
 
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Old Jan 19, 2020 | 03:32 AM
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Originally Posted by Hulkss
Have you considered the V&H Pro Pipe with the new design quiet baffle?
Yes, I'm looking for something to work across a wide RPM range.

 
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Old Jan 19, 2020 | 04:51 AM
  #15  
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Originally Posted by OldMike
Yes, I'm looking for something to work across a wide RPM range.
I know youtube videos are a bad judgement for sound but the pro pipe sounds awful in every single video I come across.
Which is a shame because it looks great on the sport glide.
 
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Old Jan 19, 2020 | 06:11 AM
  #16  
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Originally Posted by FranBunnyFFXII
I know youtube videos are a bad judgement for sound but the pro pipe sounds awful in every single video I come across.
Which is a shame because it looks great on the sport glide.
I didn’t see any videos of this pipe on a M8 softail.
 
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Old Jan 19, 2020 | 07:35 AM
  #17  
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Originally Posted by OldMike
I didn’t see any videos of this pipe on a M8 softail.
Not a very good one from V&H because the sound clip could be anything
Here's a long but not too informative review
And another just revving

Pipe sounds pretty mellow to me, but I think I'm with Mchad on this one - can't tell much from a video, especially just a cell phone recording. The Pro Pipe design looks sort of like a two stage muffler with a large diameter secondary muffler, but the smaller inner muffler looks like a capped design to force all the flow out/around. Found some discussion about drilling a hole in that end plug
https://www.hdforums.com/forum/touri...-mod-info.html
I'll bet the baffle design is identical in the M8 model. Lots of other info if you google Pro Pipe baffle.

There is a 'competition' baffle too for the Pro Pipe
https://www.revzilla.com/motorcycle/...exhaust-system

Just looked at my new Cobra El Diablo pipe - it's a straight through design with a pretty large diameter louvered core. Bet that will sound raspy compared to the V&H Pro.
 

Last edited by AJ88V; Jan 19, 2020 at 07:42 AM.
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Old Jan 19, 2020 | 08:02 AM
  #18  
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Originally Posted by OldMike
I didn’t see any videos of this pipe on a M8 softail.
 
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Old Jan 19, 2020 | 09:13 AM
  #19  
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On a Sportglide with the cases on it is oke, but on the Fat Bob the noise/sound would be the least of my problem, it completely ruined the appearance of the bike.
 
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Old Jan 19, 2020 | 11:13 AM
  #20  
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Originally Posted by MoneyFor
On a Sportglide with the cases on it is oke, but on the Fat Bob the noise/sound would be the least of my problem, it completely ruined the appearance of the bike.
I will offer three data points for keeping the stock Fat Bob header in place, if you don't want to change the bike's appearance:
1) S&S shows pretty much identical power gains for their Grand National mufflers on the stock headpipe, as they do for their SuperStreet full 2-1 system.
2) In another thread I pointed out a 124" Low Rider built for the Battle of the Kings, that chose to use the stock Fat Bob headpipe and some Rinehart slip-ons. They say it easily runs 10.5-second quarter miles.
3) Steve Cole showed a Fat Bob Stage IV build where the customer insisted on keeping the stock headpipe and Street Cannons. It was a 117 build, all Harley parts but a TTS cam and tune, I think the numbers were in the ballpark of 125 HP and 130 TQ, don't remember exactly but it was in that neighborhood. And the torque curve was exquisite. Those numbers are comparable to Harley's claims for their new 128" Stage IV motor.

So between all those, it sure looks to me like if you don't want to ruin the Fat Bob's looks to get some performance, you don't have to.
​​​​​
 
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