Quote:
Originally Posted by bandersen
I've done some digging around...and (someone correct me if I'm wrong) that the M-Performance Exhaust (available in various websites for $2750 or so) is the exhaust that is on the X5M (not the X5 M50i). I know that with previous exhaust upgrades I've had (Dinan 540, Audi AWE), there was a slight performance boost with the new exhaust...
Does anyone know if there is any sort of HP/Torque boost w/the M-Performance Exhaust?
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Well, it shouldn't be that hard to compare part numbers. Here's what I ordered:
18-30-2-458-780 - BMW M PERFORMANCE EXHAUST SYSTEM - 40i ENGINE
18-30-9-909-376 - Hex bolt
18-30-7-935-435 - Exhaust system holder
18-30-8-631-988 - Rubber mount
And if it helps, here's what came in the box. Maybe you can do a visual comparison to an X5M exhaust.
As far as additional power from the exhaust, while it's possible, since I had it installed prior to taking delivery I can't really say if there is or isn't. And, without putting it on a dyno, it would all be conjecture anyway.
