Yeah I would think GXP is faster than a GTP because of the 5.3 V8 engine, but only if they made grand prixs in rwd, then it would be a beast.(lol)
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Exterior- stock painted black wheels, clear corners, stainless steel grill, cross and drilled front and rear rotors with evolution brake pads.
Coming soon- 18 inch black mustang bullet rims, GT/GTP rear bumper, tinted windows.