You won't needa tune. The magnaflow sounds really nice on a GXP. I say go for it.
Just to give you an idea.
YouTube - Pontiac Grand Prix GXP - Magnaflow Exhaust
|
You won't needa tune. The magnaflow sounds really nice on a GXP. I say go for it.
Just to give you an idea.
YouTube - Pontiac Grand Prix GXP - Magnaflow Exhaust
« Previous Thread | Next Thread » |
Tags for this Thread |