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      04-12-2024, 05:03 PM   #5
M3SQRD
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Drives: E92 M3,G20 330ix,F22 240iX,F82
Join Date: Jun 2009
Location: Mid-Atlantic

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Stock exhaust = stock tips. If the ZCP or CS tips fit then that’s still oem, I guess. MP CF tips also make the cut.

A tip consisting of a large tip OD and a stock tip ID just doesn’t look right to me. Aftermarket exhausts do the same thing. Actual exhaust tubing is 90 mm yet the exhaust tip OD is 110-120 mm and a steep taper is used to go from 120 to 90 mm over a short distance. It’s easy to see it’s a 90 mm exhaust.
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