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Old 07-06-2012, 02:13 PM
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ZeGerman ZeGerman is offline
Warm Leatherette
Location: Seattle, WA
Join Date: Mar 2009
Posts: 21,443
Mein Auto: 1998 BMW 328is
If your car has a Magnaflow cat-back, it won't have the valve. Not sure about lost power, but either way, I doubt it would change things enough to be perceptible by the butt-dyno.

1998 BMW 328is
1966 Pontiac GTO
2007 Subaru Impreza 2.5i 5-door
View my photos: Caught in the Wild
For sale: E36 2.93:1 differential
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