DanPrixGTP
Moderator
Re: Red 2006 Grand Prix GT Supercharged Roof Rails, Borlas & G8 GXP tips on!
When I dropped to a 3.5, I saw quite a difference.
I havent gotten on it yet..we will see though but I doubt there will be lol. Did you when you dropped yours??
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When I dropped to a 3.5, I saw quite a difference.