Thread: Mods for G8 GT?
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Old 08-16-2008, 08:27 PM   #5 (permalink)
RamJet502
7.0 Liter LS7 V8
 
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Re: Mods for G8 GT?
Magnaflow makes a catback exhaust kit for the G8 GT that makes an additional 13hp and 14tq on the dyno

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