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      01-14-2013, 09:49 PM   #4
Edman951
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Drives: F10 550xi, Alpine white
Join Date: Nov 2006
Location: Montreal, Quebec

iTrader: (1)

I've made an exhaust with both setup.
Can't says i felt a difference going from 2.5 to 3 inch.

I made these myself, and I learned how to weld doing these, so no comments on weld quality

2.5 long X-pipe, is an X-pipe made by Corsa for Corvette's
3 is the short Magnaflow x-pipe
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F10 550i Xdrive M sport, white
trade-in 2008 E90 M3