exhaust question
11-13-2001, 10:16 PM
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exhaust question
can anyone tell me the benefit of having a 2.5 inch piping on an axle back rather than a 2 1/4? cause the spoon n1 has a 2.5 inch piping and the exhaust that i have now signal auto has a 2 1/4, how can my car benefit from it if the stock b pipe is still being used for both exhaust?
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