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So if the outlet on my headers is 3in and my cat back is 2 1/4 where should i reduce it at? Should I just by a reducer that connects to the headers to go strait to a 2 1/4? or should I reduce it to 2 1/2 then get cats that are 2 1/2 inlet/outlet and let my exhaust guy reduce it from out of the cat to the rest of the exhaust?
Thanks guys
Will
Thanks guys
Will