Wehrli

Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax 3.5in Down Pipe

SKU WCF100129

MPN wcfWCF100129

$334.65 · In stock

Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax 3.5in Down Pipe

Replace the restrictive crushed factory down pipe on your 2017-2025 L5P Duramax with this 3.5" Down Pipe for improved exhaust flow. Connects to the DOC outlet flange behind the OEM turbo and mates with OEM exhaust system front pipe with the 4 bolt style flange connection. Black Ceramic Coated and Heat wrapped. Down Pipe includes bungs for sensors and NO tuning required to use this down pipe. WCFab piping kits and emissions compliant tuning recommended for optimum performance gains.

Confirmed vehicle fitment
YearsMakeModelSubmodelDrive
2017–2025ChevroletSilverado 2500 HDHigh Country—
2017–2025ChevroletSilverado 2500 HDWT—
2024–2025GMCSierra 2500 HDAT4X—
2017–2025GMCSierra 2500 HDSLT—
2020–2025GMCSierra 2500 HDAT4—
2024–2025GMCSierra 3500 HDDenali Ultimate—
2017–2025GMCSierra 3500 HDDenali—
2021–2025ChevroletSilverado 2500 HDCustom—
2024–2025GMCSierra 2500 HDDenali Ultimate—
2017–2025GMCSierra 2500 HDDenali—
2017–2025GMCSierra 2500 HDSLE—
2022–2025GMCSierra 2500 HDPro—
2017–2025ChevroletSilverado 3500 HDLT—
2020–2025GMCSierra 3500 HDAT4—
2017–2025ChevroletSilverado 3500 HDHigh Country—
2017–2025ChevroletSilverado 3500 HDLTZ—
2017–2025ChevroletSilverado 3500 HDWT—
2017–2025ChevroletSilverado 2500 HDLTZ—
2017–2021GMCSierra 2500 HDBase—
2024–2025ChevroletSilverado 2500 HDZR2—
2017–2021GMCSierra 3500 HDBase—
2017–2025ChevroletSilverado 2500 HDLT—
2017–2025GMCSierra 3500 HDSLE—
2022–2025GMCSierra 3500 HDPro—
2017–2025GMCSierra 3500 HDSLT—
Specifications
CategoryExhaust, Mufflers & Tips
Sub-CategoryDownpipes
UPCWCF100129
CARB ApprovedNo
Prop 65 WarningY
Weight7 lb
Dimensions (L×W×H)20.1 × 9.1 × 8.4 in