DHD 300-125K OEM Length D-Pipe Stainless Passenger LB7 Up Pipe Kit 2001-2004

Upgrade your LB7 Duramax with DHD’s full-featured OEM-fit up-pipe, delivering high performance at a fraction of the cost of a new GM unit. These brand-new up-pipes are built to exceed OEM standards while providing direct bolt-on installation to your factory manifolds.

Crafted from 11-gauge 304 stainless steel, this up-pipe features DHD’s HD 304 stainless steel internally-sleeved bellows, engineered to withstand high temperatures and pressures. With a 53% increase in flow over stock, your engine will see reduced exhaust back-pressure, lower temperatures, and improved overall performance.

Features:

• Direct bolt-on replacement to passenger-side factory exhaust manifold
• 11-gauge 304 stainless steel construction, 2-inch OD
• Inner and outer TIG welded flanges (not cast)
• Free-flowing stainless steel internal bellows
• Significant reduction in exhaust back-pressure and heat

Kit Includes:

• Multi-layer stainless up-pipe gaskets (1 upper, 1 lower)
• (6) 12PT coated M10 12.9 up-pipe bolts

Applications:

• 2001-2004 LB7 GM 6.6L Duramax 2500HD/3500HD

Compare to PPE 116120010