Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax 3.5in Down Pipe Fishbone Offroad ***Designed to work with SPE

***Designed to work with SPE 6

Part# KRS040

No twin-pump pulse timing issues

Tan or Purple factory keys - (If you don't know the color of your factory keys

Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax 3.5in Down Pipe Fishbone Offroad ***Designed to work with SPEWehrli Model WCF100129 Wehrli 17 24 Chevrolet GMC 6. 6L L5P Duramax 3. 5in Down Pipe 3. 5" Steel Down Pipe High Temp Black Ceramic Coat Finish Heat Wrap Pre installed Catalyst Back Emissions Compliant NO TUNING REQUIRED! Made in USA Replace the restrictive crushed factory downpipe front pipe on your 2017 2025 L5P 6. 6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 3500 HD truck with this 3. 5" Down Pipe for improved exhaust flow. Fabricated