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Old 10-23-2012, 05:33 AM
bimmerzone bimmerzone is offline
Supporting Vendor
Location: West Chester PA
Join Date: Jul 2005
Posts: 688
Mein Auto: E63 650i, F13 M6
I second that.. the RPI exhaust gives you a good sounds, there is a slight HP gain (not quite as much as a supercharger of course)
but the growl of that exhaust is just pure awesomeness

Do take a look

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