17-21 Duramax L5P PPE Stainless High Flow Down Pipe

The stock L5P down pipe causes restriction and limits the movement of exhaust gasses. PPE solves this problem with the Three-Inch 304 Stainless Steel Down-Pipe that is engineered for superior flow. Upgrade your L5P and realize better performance.

Kit includes a pre-installed, woven titanium sleeve to reduce engine bay temperatures. The titanium wrap is secured with stainless steel clamps.

GM Equivalent P/N:  12671086

• Made of 3-inch 304 stainless-steel tubing and stainless-steel flanges
• Woven titanium heat sleeve reduces heat radiation
• Stainless steel clamps are used to secure heat sleeve