2004 chevy trailblazer with the 4.2 inline 6 engine
so far all ive done is a K&N cold air intake, PCMforless.com pcm tune, removed all badging, the roof rack and a pioneer touch screen headunit. soon to come is a 15 inch rockford fosgate power stage 2 sub and a autotek 1000 watt mono amp
heres a pic
