Contains one 3.5" x 4" ID Straight Reducer x 3" Long Silicone Boot, one 4" T-Bolt Clamp and one 3.5" T-Bolt Clamp.
Replacement part for:
- 2004.5-2005 LLY Duramax 4" Intake Kit with Air Box (WCF100191)
- 2004.5-2005 LLY Duramax 4" Intake Kit (WCF100335)
- 2001-2004 LB7 Duramax 4" Intake Kit with Air Box (WCF100190)
- 2001-2004 LB7 Duramax 4" Intake Kit (WCF100334)
- 2001-2004 LB7 Duramax 4" Intake Kit with Air Box Stage 2 (WCF100300)
- 2001-2004 LB7 Duramax Stage 2 High Flow Intake Bundle Kit (WCF100435)
- 2001-2004 LB7 Duramax Stage 3 High Flow Intake Bundle Kit (WCF100712)
- 2003-2007 5.9L Cummins S400/Stock Twin Turbo Kit (WCF100567)
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