2004.5-2005 LLY Duramax 4" high flow intake kit for factory turbo. This Intake is for use with a FACTORY, AFE, or S&B intake (turbo inlet) horn. Our Stage 2 intake kit includes our 3 1/2" fabricated Intake Horn, WCF100637
NOTE: WILL NOT FIT WITH EGR INTACT.
Compatible with OEM or OEM aftermarket Replacement Turbo Intake Horn. Our Stage 2 Intake Kit includes a fabricated LBZ/LMM Style Intake Horn. WILL NOT FIT WITH EGR INTACT.