Exhaust install question..? Supertrapp
Stellar HDF Member
Joined: Oct 2009
Posts: 2,054
Likes: 26
From: Florida
My header is perfectly horizontal. Make sure you only have one exhaust gasket in each exhaust port. My issue was where the muffler slips in, it bottoms out and could not slide forward enough to align either of the rear mounting bolts. I trimmed 3/8 or so off of the header and everything bolts up fine. I'm running 22 discs with the fishtail. I have a K&N filter on a SE intake, Power Commander III and a SE 204 cam. All dyno tuned when I had the cam installed this past winter. Looks good, sounds good and runs great.
Fortunately the off angel on my pipes is so slight that you can't even tell looking at the bike. The mounting tab on the muffler is off by maybe 3/8".
22 discs? You must like it loud? I am running 18 and sometimes I think it is too loud when I am running down the road. I'm actually thinking of taking it back down to maybe 12 which is what Supertrapp recommends.
Road Master
Joined: Aug 2010
Posts: 1,067
Likes: 2
From: New Hampshire
It's not that loud actually. SuperTrapp says that the 22 discs matched to flow of the size of the fish tail. I never tried it with less than the 22. I would love to hear one with 12 disks side-by-side but they aren't that common around New England. And by the way the low end torque is great so in the neighborhood I don't have to run it much above idle and just putt-putt around...
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Joined: Dec 2011
Posts: 51
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From: nyc
I've been going back and fourth with Supertrapp Customer Service and they claim it's not their Bracket... They're full of it... Weird how the shape it fits it exactly except it's a bit to short... All they do I offer to SELL me different brackets... I think not, I'll make one or weld an extention on this one. But, nothing I can do about it except complain...
@ Skeezmachine: that makes me feel better.... I also had my friend go look at his exhaust and see it had a gap. and it did also, so I guess that's normal. Even if one or both were put in wrong, they give so much that I don't see it being an issue once tighted.... forgetting to remove the old ones might, but I did remove them.
and I'm 100% positive I put the gaskets correct. I have a habit of having to take stuff completely apart right after putting it together just to confirm I did it correctly.. (mild O.C.D I guess) So I checked it a few times on this one.
@ Skeezmachine: that makes me feel better.... I also had my friend go look at his exhaust and see it had a gap. and it did also, so I guess that's normal. Even if one or both were put in wrong, they give so much that I don't see it being an issue once tighted.... forgetting to remove the old ones might, but I did remove them.
and I'm 100% positive I put the gaskets correct. I have a habit of having to take stuff completely apart right after putting it together just to confirm I did it correctly.. (mild O.C.D I guess) So I checked it a few times on this one.
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