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Drift m0nkey · 12-01-2003, 09:19 PM

forgive me if im wrong but ur input would help..... I hear that if u run a 2.5 inch catback with a 3inch test pipe on a NA engine u get a bigger gain over a 2.5 inch exhuast with a factory cat and a bigger gain than a 2.5 exhaust with a 2.5 inch test pipe??????????

12-01-2003, 09:19 PM	#1
Drift m0nkey Join Date: Jul 2003 Location: maryland Posts: 17 Trader Rating: (0)	exhaust forgive me if im wrong but ur input would help..... I hear that if u run a 2.5 inch catback with a 3inch test pipe on a NA engine u get a bigger gain over a 2.5 inch exhuast with a factory cat and a bigger gain than a 2.5 exhaust with a 2.5 inch test pipe??????????