top of page

Magnaflow 15398 Turbo Outlet Downpipe LB7

  • 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
bottom of page