Wehrli · New
Wehrli 01-04 Chevrolet 6.6L LB7 Duramax 3in Down Pipe
MPN WCF100119 · Store SKU wcfWCF100119
Supplier stock checked 11/7/2026, 6:56:37 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
3" LB7 Turbo Down pipe for use with OEM charger or aftermarket Drop in turbo. High Temp Coated and Heat Wrap included. Wehrli Custom Fab Down Pipe, 3in., for 2001-2004 Duramax LB7 Down Pipe, 3in., for 2001-2004 Duramax LB7
Manufacturer fitment & guides
Check WCF100119 against the manufacturer’s application information below.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y