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Old 09-12-2015, 12:25 AM   #4
TobysZL1
 
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Join Date: Mar 2015
Location: Central NY
Posts: 465
Quote:
Originally Posted by jayno20 View Post
I am doing headers with test pipes instead of high flow cats. I was considering doing their resonated x-pipe to possibly quiet it down if I feel it is too loud. From what I've seen it does seem to quiet it down... A lot...

With high flow cats, I don't think I'd do an x-pipe.
why wouldn't you do the x-pipe with high flows?
Also what are test pipes?

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