2001-2004 6.6L Duramax LB7 Upgraded 2" Up-Pipes

Upgraded 2" Up-Pipes for 2001–2004 6.6L Duramax LB7

Upgrade your LB7’s exhaust flow with these heavy-duty 2" up-pipes, engineered to outperform restrictive factory units. Perfect for improving turbo spool, lowering EGTs, and supporting performance upgrades on your Duramax diesel.

• Fitment: Compatible with 2001–2004 GM 6.6L Duramax LB7 engines in Silverado and Sierra 2500HD/3500HD

• Performance: Enlarged 2" diameter piping increases exhaust velocity and reduces turbo lag

• Quality: Made from high-grade stainless steel with flex bellows to resist cracking and fatigue

• Compatibility: Works with factory manifolds and turbo; ideal for tuned or stock trucks needing improved flow