Sierra 2500 HD

Clean up your Duramax engine bay by installing this simple, appealing billet plug. It eliminates the bulky, plastic turbo resonator box.CNC machined from billet aluminum stock and available in raw, anodized black or gold finishes. It comes with the...

Clean up your Duramax engine bay by installing this simple, appealing billet plug. It eliminates the bulky, plastic turbo resonator box.CNC machined from billet aluminum stock and available in raw, anodized black or gold finishes. It comes with the...

Volant air intake systems utilize a high-velocity venturi filter adapter which provides a smooth transition through the MAF sensor into the intake tube for a much needed airflow improvement over the factory rubber tubing and resonator box.Volant's Cold...

Unique Integrated Filter-to-Housing Intake Design:Quantum uses an integrated filter-to-housing design by attaching both components with four captive screws for a positive surface area seal and quick and easy install. Quantum's roto-molded housing...

One-Piece Filter Heat Shield:The air filter is housed in a one-piece, black powder-coated 18-gauge heat shield that minimizes warm engine air for maximum performance. The heat shield attaches to the lower half of the factory airbox to provide direct...

Large Three Layer Performance Air Filter:This 9" tall 360-degree radial flow air filter features a 6" flange and our oil-free Pro DRY S media with three layers of synthetic media for maximum convenience. Its progressive layering provides great filtration...

The more air you can get to your Duramax engine, the better and more efficiently it runs. Factory air intakes just can't stand up to the Sinister Diesel Duramax 6.6L LML cold air intake (CAI) in this case. This cold air intake kit significantly improves...

Volant air intake systems utilize a high-velocity venturi filter adapter which provides a smooth transition through the MAF sensor into the intake tube for a much needed airflow improvement over the factory rubber tubing and resonator box.Volant's Cold...

Unique One-Piece High Quality Housing W/ Sight Window:A custom CAD designed roto-molded housing made from heat soak resistant material eliminates the use of multiple components and ensures the coolest air intake charge available. A large clear sight...

Volant air intake systems utilize a high-velocity venturi filter adapter which provides a smooth transition through the MAF sensor into the intake tube for a much needed airflow improvement over the factory rubber tubing and resonator box. Volant's Cool...

Large Three Layer Performance Air Filter:This 9" tall 360-degree radial flow air filter features a 6" flange and our oil-free Pro DRY S media with three layers of synthetic media for maximum convenience. Its progressive layering provides great filtration...

Unique One-Piece High Quality Housing w/ Auxiliary Scoop:The smooth one-piece high quality sealed housing with auxiliary air scoop is used to eliminate the use of multiple-piece housings and ensure the coolest air intake charge available. A large, clear...