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hey all im going to be putting a set of macs on my car soon and i was woundering if there is any company that makes high flow cats to bolt or weld onto long tube headers
mmmm, i had em on my old turbo cavi. they rattled like hell, and i eventually threw a rear o2 code. but i dunno how they compare to other hi flows, im just looking forward to getting my tuner so i can delete the mfs.