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      11-30-2012, 04:29 PM   #37
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Drives: 2013 M5 Black Sapphire
Join Date: Apr 2012
Location: Lake Oswego, Oregon

Posts: 289
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Originally Posted by RPiM5 View Post
Here's my review of the RPi GT Exhaust System.

I know this contrary to what most want but does the GTS sound stock but give the same gains?

I like the stock sound and don't want a louder car, would like the extra power though.

Any other exhaust systems to consider for max gain without noise. I know you can do valve control but not sure I want that either.

Sound like this

Drive like this


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