Quote:
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Originally Posted by badblack550xi
Quote:
Originally Posted by combatbmw
Eww m5 exhaust. No gains from that man. Get the new lsd system not sure if they have any left for pre 2014.
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M5 exhaust is full 3 inch there will deff be gains. |
+ 1. M5 is full 3inch without the awful bends of the oem 550 setup. But the mufflers and the resonators are obviously some restriction.