X-celeration is much quicker, smoother and strongerDyno-designed ''AirLoad'' manifolds reduce turbulence and increase air intake velocity, boosting horsepower and torqueCustom-made AirRaid cleanable, reusable air filter provides increased airflow volume to the engineKit replaces the stock air cleaner assembly, maintaining balance and symmetryIncludes instructions and all necessary hardware3-D mesh ''X'' Cover is beautifully stylizedMachined from 6061 T-6 billet aluminumMade in the USA