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Blown Black Performance - 4 Inch Systems
Browse 4 Inch Systems Products
Items 1-14 of 14
Description: Fits: 2001-2007 GM 6.6L Duramax EC-CC/SB-LB
Item #: 18981
Condition:
New
Price: $483.92
Description: Fits: 01-07 Classic Body
Item #: 18931
Condition:
New
Price: $315.88
Description: Fits: 01-07 Classic Body
Item #: 18980
Condition:
New
Price: $327.59
Description: 2001-2007 GM 6.6L Duramax EC-CC/LB
Item #: 17994
Condition:
New
Price: $531.64
Description: MagnaFlow's PRO Performance diesel systems are our entry-level performance diesel system featuring a 100% stainless steel muffler and mandrel-bent stainless steel tubing. Optional diesel tips are...More Details »
Item #: 17903
Condition:
New
Price: $785.60
Description: Fits: 2001-2007 GM/Duramax
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...More Details »
Item #: S6004409
Condition:
New
Price: $624.99
Description: Fits 2001-2007 Extended Cabs and Crew Cabs
Removal of OEM catalytic converters may be a violation of emissions laws in your jurisdiction. Ensure that the intended use of this product is...More Details »
Item #: S6006409
Condition:
New
Price: $1,019.99
Description: Fits: 2001-2007 GM/Duramax
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...More Details »
Item #: S6004AL
Condition:
New
Price: $454.99
Description: Fits: 2001-2007 GM/Duramax
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...More Details »
Item #: S6004P
Condition:
New
Price: $349.99
Description: Off Road Use Only-Not for Sale or Shipment to California
Item #: S6004SLM
Condition:
New
Price: $479.99
Description: Fits 2001-2007 GM/Duramax Extended Cabs and Crew Cabs
Removal of OEM catalytic converters may be a violation of emissions laws in your jurisdiction. Ensure that the intended use of this...More Details »
Item #: S6006AL
Condition:
New
Price: $749.99
Description: Fits: 2006-2007 GM/Duramax
Item #: S6012AL
Condition:
New
Price: $399.99
Description: Fits: 2001-2007 GM Duramax
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...More Details »
Item #: S6004PLM
Condition:
New
Price: $299.99
Description: Fits: 2006-2007 GM/Duramax
Item #: S6012409
Condition:
New
Price: $524.99
Items 1-14 of 14