Message: hey everyone i have a question i have a 2000 4.7 slt+ w/ K&N fipk, HO cams, HO intake, hotckis TVS, catco cat and MBRP ss 2.5. and soon a F&B 70mm throtle body. now my question is should i open up the exhaust to a 3"? would i see better performance?
thanks in advance
Garrett
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Subject: ? opening up exhaust