2020-2022 GM 3.0L Duramax 304 Stainless Steel Cat Back Performance Exhaust Kit - Single Exit - 117050020 2024-chevrolet-silverado-2500-hd-esi7702730 The silicone anti-drain-back valve prevents

The silicone anti-drain-back valve prevents engine dry starts

This kit is recommended for trucks hauling heavy loads and making high horsepower

and maintaining reliability

Includes stainless hose clamps

Built-in 1/4 inch NPT bung

2020-2022 GM 3.0L Duramax 304 Stainless Steel Cat Back Performance Exhaust Kit - Single Exit - 117050020 2024-chevrolet-silverado-2500-hd-esi7702730 The silicone anti-drain-back valve preventsDon't settle for inferior 409 stainless steel exhaust systems. Wake up your truck with the PPE Cat Back Performance Exhaust Kit. With the PPE free flowing exhaust system, you will see increased fuel economy, reduced back pressure at the manifolds, more power, and quicker engine response. This easy to install kit is made with high quality, mandrel bent 304 stainless steel tubing which utilizes OEM hanger locations, replacing your OEM exhaust system