Sorry if this has been done before.
Is there a difference in performance between an x-pipe and h-pipe or is it just a sound diff?
Ive got flows on my 01 bullitt with an h-pipe, trying to decide if the x-pipe is better.
Is there a difference in performance between an x-pipe and h-pipe or is it just a sound diff?
Ive got flows on my 01 bullitt with an h-pipe, trying to decide if the x-pipe is better.
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