Air and Fuel› Superchargers, Turbochargers and Components
Wehrli
Wehrli Down Pipe 3in. for LB7 Duramax w S300 Single Turbo Black 100123
SKU: W005 100123
Moderate — 2–4 hours
Description
This down pipe includes a V-band clamp, heat wrap, and clamps, all finished with a high-temperature coating for durability.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Wehrli |
| Part Number | W005 100123 |
Videos
2001-2004 LB7 Duramax S300 & S400 Single Turbo Install Kits
DURAMAX 3 INCH DOWNPIPE INSTALL!
2001-2004 LB7 Duramax Stage 3 High Flow Intake Bundle Kit
S467 LB7 Duramax Introduction! The Channel FINALLY Earned Its Name
LML Duramax Stage 1 High Flow Bundle Kit Review
2018 L5P DURAMAX WERHLI CUSTOM FAB PIPING KIT (CANDY RED)
WCFab 2001 - 2004 LB7 Duramax Stage 1 High Flow Intake Bundle Kit
WCFab Turbo Heat Blankets - What they are and why your truck needs one!
2006-2010 LBZ | LMM Duramax Stage 3 High Flow Intake Bundle Kit
LB7 DURAMAX WCFAB Y-BRIDGE INSTALL
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy