Exhaust

A great sounding truck starts here! Find full exhaust systems, downpipes, exhaust tips, and more to improve your engines sound and boost your power. Shop the selection below and reach out to our Support Team for expert guidance.

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66 Products
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  • 2001-2004.5 Duramax LB7 4" Downpipe Back Exhaust w/ Muffler (431107) - Mel's Manufacturing
  • 2001-2004.5 Duramax LB7 4" Cat Back Exhaust w/ Muffler (431108) - Mel's Manufacturing
  • 2001-2007 Duramax 4" Cat Back Exhaust OEM 4 Bolt Flange w/ Muffler (431110) - Mel's Manufacturing
  • 2001-2004.5 Duramax LB7 4" Downpipe Back Dual Exhaust w/ Muffler (431102) - Mel's Manufacturing
  • 2001-2004.5 LB7 Duramax 5" Downpipe Back Exhaust No Muffler (531111) - Mel's Manufacturing
  • 2001-2004.5 Duramax LB7 5" Downpipe Back Exhaust w/ Muffler (531100) - Mel's Manufacturing
  • 2001-2007 Duramax LB7/LLY/LBZ Aluminized 5" Cat-Back Exhaust (S60200AL) - MBRP
  • 2001-2007 Duramax LB7/LLY/LBZ Aluminized 4" Down Pipe Back Exhaust (S6004AL) - MBRP
  • 2001-2007 Duramax LB7/LLY/LBZ Stainless 4" Cat-Back Exhaust (S6004SLM) - MBRP
  • 2003-2004 Cummins 5.9L Aluminized 5" Turbo Back Exhaust (S61140AL) - MBRP
  • 2001-2007 Duramax LB7/LLY/LBZ Stainless Steel 5" Cat-Back Exhaust (S60200SLM) - MBRP
  • 2001-2007 Duramax LB7/LLY/LBZ Stainless Steel Downpipe Back Exhaust (S6004409) - MBRP
  • 2001-2007 Duramax LB7/LLY/LBZ Aluminized 4" Cat- Back Exhaust (S6004P) - MBRP
  • 2001-2007 Duramax LB7/LLY/LBZ Stainless Steel 5" Cat-Back Exhaust (S60200409) - MBRP
  • 2001-2007 Duramax LB7/LLY/LBZ Aluminized 5" Down Pipe Back Exhaust (S60200PLM) - MBRP
  • 2001-2004.5 Duramax LB7 4" Downpipe Back Exhaust No Muffler (431112) - Mel's Manufacturing
  • 2001-2007 Duramax LB7/LLY/LBZ 304 Stainless Steel 4" Cat-Back Exhaust (S6004304) - MBRP
  • 2003-2004 Cummins 5.9L Stainless Steel 5" Turbo Back Exhaust (S61140409) - MBRP
  • 2001-2022 Duramax OEM Replacement Drivers Side Up-Pipe (116120005) - Pacific Performance Engineering
  • 2001-2004 Duramax LB7 Aluminized 3" Turbo Down Pipe (GM8425) - MBRP
  • 2001-2015 Duramax 6.6L Passenger Side Up-Pipe (1043803) - BD Diesel
  • 2001-2016 Duramax Passenger Side Up-Pipe (DUR-EXH-A020) - Dirty Diesel Customs
  • 2001-2005 Duramax LB7 Aluminized 4" Front Pipe w/ Flange (GMAL401) - MBRP
  • 2001-2005 Duramax LB7 Stainless Steel 4" Front Pipe w Flange (GMS9401) - MBRP