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Old 04-30-2010, 10:43 PM
bvkamp bvkamp is offline
Officially Welcomed to the 'Fest
Location: Naperville, IL
 
Join Date: Apr 2010
Posts: 115
Mein Auto: 2010 X3
I might get this Remus exhaust:

http://www.remususa.com/epages/remus...cts/0862040504

I mostly want it for the sound. I realize it may only add 1-2 hp. I also think it might look better. The stock exhaust shows quite a bit, and doesn't look that great from behind. Let's face it, the X3 doesn't look that great from behind in general.

I notice the Remus doesn't have the hookup for the butterfly valve. If I unhook power to that vacuum will it trigger a fault in the computer? What is the purpose of the valve anyway? Does it muffle sound at idle? Or does it regulate back pressure? I really don't want to change how the engine runs. What do the BMW Warranty Police make of a new after-market muffler?
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