what size is stock exhaust ?
hey guys this site is the best thing ive dicoverd since i got my 03 gt...but back to the topic on hand what size is the stock exhaust ive heard 2"1/4 and 2"1/2 i was wonderin cuz im tryin to find a axle back bolt on muffler or should i gor with the agp turbo 3"
thanks for the help brian
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