Quote:
Originally Posted by Malekreza11
This is highly incorrect and provable Sean.
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So let me ask you this. How much of a difference would there be between a OEM x-pipe which has primary cats swapped out for test pipes? And say another 'quality' x pipe? Performance wise that is...
Because honestly I want to to do that..keeping the secondary cats and resonators as to lessen sound and smell.. but at the same time gaining power.