2017-2020 GM 6.6L Duramax Standard Port Stainless Steel Exhaust Manifold Gasket Set 3 pcs PPE Diesel Transmission Intermediate Shaft|Transmission|Drivetrain & Differentials use >PPEs Extended Length Down

use >PPEs Extended Length Down Pipe in conjunction with >PPEs T4 Riser Block (with or without wastegate) for GT42R or larger turbos

The increase in line pressure improves your clutches' holding ability and the calibration springs will tighten up shifts

Now you can dress up your trucks engine bay and virtually eliminate oil cap blow-off

Milled Finish

two PPE T-Bolt Clamps and PPE Silicone to secure a perfect fit

2017-2020 GM 6.6L Duramax Standard Port Stainless Steel Exhaust Manifold Gasket Set 3 pcs PPE Diesel Transmission Intermediate Shaft|Transmission|Drivetrain & Differentials use >PPEs Extended Length DownMulti layered 301 stainless steel gaskets create a tight seal between the exhaust manifolds and GM 6. 6L Duramax engine. Molybdenum dry coating adds wear resistance and endures extreme heat cycles. PPE Manifold Gaskets are designed to fit both PPE High Flow Exhaust Manifolds and GM OEM manifolds.