www.steedafusion.com Cold air intake, resonator delete, and a magnaflow exhaust. The resonator delete just makes it louder. When i put the Magnaflows and the cold air intake on i felt a for sure difference in power. when its floored it sounds like a v8. Steeda also has a tuner for 399.00 that with everything else will make youre car 252hp and 230 something in torque. :shift: