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thunder · 03-23-2009, 04:11 PM

i want to install an exhaust on my 3.4 firebird but i cant really afford one. so i was thinking of making one out of 3'' pipe and just buying the muffler and i was gonna simply not put a cat in. how difficult would this be to do and how much power could i gain from the cat delete?

03-23-2009, 04:11 PM	#1
thunder 12 Second Club Join Date: Mar 2009 Location: metuchen, nj Posts: 1,476 iTrader: (0)	custom exhaust i want to install an exhaust on my 3.4 firebird but i cant really afford one. so i was thinking of making one out of 3'' pipe and just buying the muffler and i was gonna simply not put a cat in. how difficult would this be to do and how much power could i gain from the cat delete?