Upgrading to a larger downpipe can reduce EGTs, Increase Flow, and Improve Throttle Response, Improving the overall Performance and Driving Experience.
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Upgrading to a larger downpipe can reduce EGTs, Increase Flow, and Improve Throttle Response, Improving the overall Performance and Driving Experience.
Dirty Diesel Customs
2017-2025 Duramax 3.5" Downpipe (L5P-EXH-A004)
PPE
2004.5-2010 Duramax 3" Stainless Steel Downpipe (117000500)
Mel's Manufacturing
2004.5-2010 Duramax 3" Downpipe (A00101)
MBRP
2004.5-2010 Duramax 3" Downpipe (GM8424)
PPE
2011-2015 Duramax 3" Stainless Steel Down Pipe (117000600)
PPE
2001-2004 Duramax 3" Stainless Steel Downpipe (117000400)
PPE
2015.5-2016 Duramax 3" Stainless Steel Downpipe (117000700)
MBRP
1994-2002 Cummins 4" HX40 Downpipe (DALHX40)
Mel's Manufacturing
2004.5-2011 Cummins 4" Turbo Downpipe (FLO-20811)
Mel's Manufacturing
2011-2015 Duramax 3" Downpipe (A20101)
MBRP
2001-2004 Duramax 3" Downpipe (GM8425)
Mel's Manufacturing
2001-2007 Duramax 4" Downpipe (FLO-10111)
Mel's Manufacturing
1994-1997 Powerstroke 2-Piece Downpipe (421111 / 422129)
MBRP
2011-2015 Duramax 3" Downpipe (GM8427)
MBRP
2015.5-2016 Duramax 3" Downpipe (GM8428)
Wehrli Custom Fabrication
2017-2024 Duramax 3.5" Downpipe (WCF100129)
PPE
2001-2014 Duramax Gasket for Lower Downpipe Flange (117000360)
Mel's Manufacturing
2017-2022 Duramax 3.5" Downpipe w/ 4 Bolt Flange (A40101)
Mel's Manufacturing
2008-2010 Powerstroke 6.4L 4" Downpipe Kit (421011 / 422011)
Ford OEM
2020-2024 Powerstroke Downpipe (LC3Z-6N646-C)
MBRP
2008-2010 Powerstroke Downpipe Kit (FAL455)
Wehrli Custom Fabrication
2004.5-2007 Cummins 4" High Mount S400 Downpipe (WCF100262)
Wehrli Custom Fabrication
2001-2004 LB7 Duramax 3" Downpipe (WCF100119)
Industrial Injection
1994-2002 Cummins HX40 Style 4" Downpipe & Clamp (HX40DP2)
Wehrli Custom Fabrication
2011-2016 Duramax 3" Stainless Downpipe (WCF100704)
Wehrli Custom Fabrication
2004.5-2010 Duramax 3" Downpipe (WCF100120)
Smeding Diesel LLC
2008-2010 Powerstroke S300 Single Turbo Downpipe (64PDP)
Industrial Injection
2003-2004 Cummins H40 Style 4 (HX40DP3)
Wehrli Custom Fabrication
2011-2016 Duramax 3" Downpipe (WCF100121)
Wehrli Custom Fabrication
2015.5-2016 Duramax 3" Stainless Downpipe (3-Bolt Flange) (WCF100705)
Mel's Manufacturing
2007.5-2012 Cummins 4" Stainless Downpipe (412001)
MBRP
2015 Powerstroke C&C 4" Armor Plus Downpipe (FS9CA459)
Wehrli Custom Fabrication
2004.5-2007 Cummins 4" High Mount S300 Downpipe (WCF100281)
Wehrli Custom Fabrication
2004.5-2010 Duramax 3" Stainless Steel Downpipe (WCF100703)
BD Diesel
1994-2002 Cummins Down Pipe Kit (1045223)