aFe POWER 09-13 Chevrolet Silverado 1500 V8 5.3L/6.2L 92mm Throttle Body Tonneau Covers>Tonneau Covers - Hard Fold produced a max gain of

produced a max gain of +5 horsepower and +6 ft

It was designed for serious rock crawling

These& & round nerf bars are designed to custom fit your truck or SUV

5' Length Material: aluminum Power: 1

aFe POWER 09-13 Chevrolet Silverado 1500 V8 5.3L/6.2L 92mm Throttle Body Tonneau Covers>Tonneau Covers - Hard Fold produced a max gain ofThis aFe POWER 92mm Throttle Body and adapter kit improves engine air flow over the stock 87mm throttle body. The extra air flow will increase horsepower and throttle response. Performance gains will be more noticeable as more upgrades are added to the vehicle. This aFe POWER 92mm throttle body kit uses all factory mounting locations, providing stability and a hassle free installation. Installation Instructions