X-celeration is much quicker, smoother and stronger. Reach maximum speed in each gear more rapidly than before. Dyno-designed AirLoad manifolds reduce turbulence, increasing air velocity that boosts horsepower and torque. Custom-made Airaid cleanable filters provide increased air volume. Improves engine and fuel efficiency. X-poses your engine and brings out its aggressive nature. 3-D mesh X cover is beautifully styled and adds interest. Machined from T-6061 billet aluminum and beautifully chromed. Complete hardware kit and instructions included for easy installation. Made in the USA