BD DIESEL 1043800 DURAMAX UP-PIPES KIT FOR SILVERADO/SIERRA 2001–2004 6.6L LB7

Product Description

The BD DIESEL 1043800 Duramax Up-Pipes Kit is engineered to replace the restrictive and often leaking factory exhaust up-pipes on 2001–2004 Chevy Silverado and GMC Sierra 6.6L LB7 Duramax trucks. Precision cast mounting flanges with internally shielded stainless steel bellows minimize exhaust restriction and help preserve turbocharger energy for improved responsiveness and durability.

BD Diesel 1043800, Duramax up-pipes kit, LB7 Duramax exhaust upgrade, Chevy GMC 6.6L up-pipe replacement, stainless steel turbo up-pipes, lower EGTs Duramax, heavy duty up-pipes

Constructed from 304L stainless steel tubing and precision flanges, these up-pipes are designed to withstand corrosive exhaust conditions while maintaining optimal exhaust flow. They eliminate common failure points found in factory up-pipes and are recommended as a long-life upgrade during engine or downpipe service.

Fitment

• 2001 Chevrolet Silverado 2500 HD – 6.6L LB7 Duramax
• 2001 Chevrolet Silverado 3500 HD – 6.6L LB7 Duramax
• 2002 Chevrolet Silverado 2500 HD – 6.6L LB7 Duramax
• 2002 Chevrolet Silverado 3500 HD – 6.6L LB7 Duramax
• 2003 Chevrolet Silverado 2500 HD – 6.6L LB7 Duramax
• 2003 Chevrolet Silverado 3500 HD – 6.6L LB7 Duramax
• 2004 Chevrolet Silverado 2500 HD – 6.6L LB7 Duramax
• 2004 Chevrolet Silverado 3500 HD – 6.6L LB7 Duramax
• Same years/models for GMC Sierra 2500/3500 HD equipped with 6.6L LB7

Installation Note: This kit requires an aftermarket downpipe and will not fit the stock OEM downpipe without modification.

Cross-Reference / Compatible BD DIESEL Products

• BD DIESEL 1041460 DURAMAX FULL BORE EXHAUST MANIFOLD – CHEVY/GMC 2001–2010
• BD DIESEL 1046275 DURAMAX INTAKE HOSE & CLAMP KIT – 2001–2004

FAQ

Why upgrade the factory up-pipes?

Factory up-pipes are prone to leakage and corrosion over time. The BD Diesel stainless steel up-pipes offer improved durability and better exhaust flow to support turbocharger performance.

Do I need a different downpipe?

Yes. This up-pipes kit requires an aftermarket downpipe — it will not fit the OEM downpipe without modification.

Will this improve turbo response?

Yes. By reducing exhaust restriction and improving gas flow, these up-pipes can help lower EGTs and support faster turbo response.

Specifications for BD DIESEL PRODUCTS 1043800