Originally Posted by LaserRedG35VS

Forget the mpg lol, i want the power to be smokin them M3's. Opinion plzz: Plan on getting Intake manifold, plenum gasket, full cat-less exhaust, fuel injectors, and flashed for max hp gain. How does that sound to beat M3. Currently i have AEM CAI and minor weight reduction.(took out spare with tools and back seats)

Originally Posted by NeuEraRacing

for gas mileage, do a prius swap! that would be sick!