PPE High Performance Oversized Port Exhaust Manifold Gaskets 01-16 GM 6.6L Duramax BD-1024311 While the stock air box

While the stock air box technically delivers airflow

pulling or just with everyday driving practices

Apex Chassis has developed a line of extreme-duty steering upgrades that give your steering a noticeable strength upgrade along with a tighter feel

Weighing less than a pound

PPE High Performance Oversized Port Exhaust Manifold Gaskets 01-16 GM 6.6L Duramax BD-1024311 While the stock air boxDitch your leaking factory exhaust manifold gaskets in your 6. 6L GM Duramax and replace them with the PPE High Performance Exhaust Manifold Gaskets. These gaskets feature a multi layered 301 stainless steel construction and are designed to work with PPE High Flow Exhaust Manifolds or GM OEM manifolds. Also, these gaskets feature an oversized port size(46. 8mm x 41. 0mm) for maximum exhaust flow. Sold as a pair.