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American custom question?

Howdy men,
Has anybody tried the american custom modded pipes on a 2010 ultra yet? I was wondering i like how they sound but they don't specify what bike your listening too i know my ultra has a cat so wondering how they sound with it? I like them just wondering if it's worth it. their guarantee sounds good. thanx in advance fellas.
 
If you try the search feature, there are other posts about these pipes.

I would stay with a pipe that has been made and not modified for best results myself. Just opening up a muffler isn't the proper way to do it. These bikes need back pressure to run right.
 
glider you don't think the mid level sound will create back pressure? i'll do a search i should have already. i'm not really wanting to go loud i had d and d's on my 04 flhti and they were too loud, i like the new fat shots may go that route.
 
It depends on how the sound is achieved. If it is a straight through core with packing, the backpressure would be minimal and the results may not be favorable with that.
 
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