My 04 GTO on the dyno made 342rwhp and 352rwtq. Kooks headers, catless mids, borla exhaust w/h-pipe,...
My 04 GTO on the dyno made 342rwhp and 352rwtq. Kooks headers, catless mids, borla exhaust w/h-pipe, bbk intake manifold, 85mm p&p throttle body, aem cold air intake, and a tune.