Quote:
Originally Posted by Methodical4u
so the FI results with 25 or 28 with the test pipe is incorrect? Or are you speaking strictly of the cat back without any HFC's or TP's?
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I am talking just exhaust setup, exhaust plus other addition will net you probably 25whp gains. Think of any addition to the 3 primary (exhaust, HFC/TP, intake) as being a 15-10-5 increase. Add one you get around 15, add another you gain another 10 (25 total), and the last one is 5 (30 total). Order really has not mattered mostly.