What Series Supercharger Do I Have in my 1999 Pontiac Grand Prix GTP Supercharged?
October 28, 2009 | Car
I just bought this car like two weeks ago and I noticed it didn’t show anything about it like my moms Pontiac Bonneville. Posted by cjc Read More Ø
I have a 1999 Pontiac Grand Prix GTP supercharged with 240 horsepower. How can i increase the horsepower?
September 13, 2009 | Car
I want to get more horsepower out of my 1999 Pontiac Grand Prix GTP. How can i do this? can you say how much it would increase by too? thanks! Posted by Josh M Read More Ø