BD Diesel Full Bore Exhaust Manifold Restores Exhaust Flow Balance 4122BU EPS cheekpads: Fitted both with

EPS cheekpads: Fitted both with earmuffs and EPS (expandable polystyrene) cheekpads

Convoluted bumper prevents shock from bottoming out

GM Compact Truck 4

Non Skid Tape

helping to level your vehicle when towing or hauling a heavy load for a safe

BD Diesel Full Bore Exhaust Manifold Restores Exhaust Flow Balance 4122BU EPS cheekpads: Fitted both withThe BD Full Bore Exhaust Manifold for the Chevy Duramax engine replaces factory driver's side "pinched down" unit, restoring exhaust flow and balances the V8 engine for smother running. Flow design will accommodate enhanced performance engines by aiding them in improving exhaust velocity to drive the turbocharger, improving power, increasing economy and lowering EGT's. Made from high silicon ductile iron, the Full Bore is a direct, bolt in replacement