Quote:
Originally Posted by Zay370z
Will that add HP if so is their a dyno?
Just to clarify, muffler delete short tails exhaust and an added y pipe?
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I'm guessing with a muffler delete and a Y pipe, you will be around 5-8 whp gain. If you also do the mid pipe, then expect gains similar to catback (15whp?) But then with test pipes and a muffler delete it will be obnoxiously loud
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