Magnaflow 3" Stainless Steel Downpipe for LLY, LBZ, LMM Duramax 2004.5-2010

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  • Regular price $128.92
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The MagnaFlow Duramax downpipe 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.

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