Free shipping on eligible orders of $100 or more. Oversized and freight items excluded.

Shop parts / Wehrli / New

Wehrli 01-04 Chevrolet 6.6L LB7 Duramax 3in Down Pipe

Wehrli · New

Wehrli 01-04 Chevrolet 6.6L LB7 Duramax 3in Down Pipe

MPN WCF100119 · Store SKU wcfWCF100119

$245.00
CHECK AVAILABILITY0 in supplier warehouses. Ask JuiceBuilt about availability.

Supplier stock checked 11/7/2026, 6:56:37 AM UTC. Adding a part does not reserve it.

30-day returns for unopened, unused new parts

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

Manufacturer documents

More from Wehrli ↗See the JuiceBuilt workshop ↗

YOUR NEXT MOVE

Your build.