S2000 stock muffler pipe size?????
#4
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The exhaust diameter from the cat to the Y-Split is 60mm (2 3/8"), the tube diameter from the muffler back (inside the tips) is also 60mm (2 3/8"), and I think the tubing between the Y and the Mufflers is less than 2", but I don't know the exact Diameter.
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