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n3985 · 01-31-2013, 12:45 PM

Actually the 20 fits perfectly because the OEM piping is more or less 2.0". The 2.5" can easily fit over the OEM piping but then the gap must be filled with weld, which could lead to leaks in future.

01-31-2013, 12:45 PM	#14
n3985 Registered User Join Date: Apr 2004 Location: Edgewater, NJ Posts: 374 My Ride: E92 soon? View My Garage	Actually the 20 fits perfectly because the OEM piping is more or less 2.0". The 2.5" can easily fit over the OEM piping but then the gap must be filled with weld, which could lead to leaks in future. __________________