flowmaster 80 inlet (not repost) [Archive] - GrandAmGT.com Forum


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08-25-2005, 04:15 PM
i am going to put a flowmaster 80 series on my stock exhaust piping. i know most of you guys get the one with the 2.5 inlet and have a converter piece on it to fit the stock pipe. i have the oppertunity to get one with a 3 inch inlet and 2.5 outlets. would there be any sound differances between the 2.5 inch inlet and the 3 inch inlet? if so i will just go with a 2.5 inch inlet but i want to know if there will before i buy it.

08-25-2005, 09:40 PM
Unless the actual exhaust piping is 3" you're not gonna hear much of a sound difference, if any. Personally, I would spend the extra to get the 2.5" mandrel pipes.