Replace that restrictive factory downpipe with a MBRP direct replacement downpipe for more flow, fuel economy, and better performance. Removal of OEM catalytic converters may be a violation of emissions laws in your jurisdiction. Ensure that the intended use of this product is permitted. Not for sale or use in the state of California.Technical DrawingWarrantyInstallation InstructionsThis Part Fits:
Year
Make
Model
Submodel
2001-2004
Chevrolet
Silverado 2500 HD
Base
2001-2004
Chevrolet
Silverado 2500 HD
LS
2001-2004
Chevrolet
Silverado 2500 HD
LT
2004
Chevrolet
Silverado 2500 HD
WT
2001-2004
Chevrolet
Silverado 3500
Base
2001-2004
Chevrolet
Silverado 3500
LS
2001-2004
Chevrolet
Silverado 3500
LT
2004
Chevrolet
Silverado 3500
WT
2002-2004
GMC
Sierra 2500 HD
Base
2001-2002
GMC
Sierra 2500 HD
SL
2001-2004
GMC
Sierra 2500 HD
SLE
2001-2004
GMC
Sierra 2500 HD
SLT
2003-2004
GMC
Sierra 2500 HD
WT
2002-2004
GMC
Sierra 3500
Base
2001-2002
GMC
Sierra 3500
SL
2001-2004
GMC
Sierra 3500
SLE
2001-2004
GMC
Sierra 3500
SLT
2004
GMC
Sierra 3500
WT
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