MBRP Front Pipe 4" w/ Flange for GM Duramax 2001-2005 6.6L LB7/LLY (T409)

MBRP 4" Front Pipe with Flange for GM Duramax 6.6L LB7/LLY (T409)

MBRP designs their products with the phrase, "The best system starts with the best materials" in mind. This front pipe with flange is made from T409 stainless steel.

Improving the Performance of Your 6.6L Duramax Engine

Upgrading your diesel truck's stock exhaust to an MBRP performance exhaust can add up to 18 horsepower with 28 ft/lb more torque. The 4" T409 stainless steel, mandrel bent tubing used for this front pipe opens up the flow path allowing your engine to remove the hot air fast.

Built for Easy Installation

Using all the factory mounts and OEM hangers, the MBRP Front Pipe is a bolt-on exhaust piece. This pipe is designed to fit any 2001, 2002, 2003, 2004, and 2005 GMC Sierra or Chevy Silverado 2500 or 3500 with a 6.6L Duramax LB7/LLY engine.