Magnaflow Turbo Downpipe for 2001-2004.5 GM Duramax

The Magnaflow 15398 Turbo Outlet Downpipe for your 01-04 LB7 Duramax is built from 3" mandrel bent stainless steel & features a durable high temp thermal coating. A fiberglass based heat wrap is also used to provide further insulation from the passenger compartment and firewall due to the closer proximity of the larger, higher flowing pipe.

Features & Benefits:

• 3" Stainless Steel Construction
  
• Thermal Coated & Heat Wrapped
• Increased Performance & Efficiency
  
• Improved Throttle Response
• Reduced EGT's