VT to VZ Header & Cat-Converter Combo Header Primary Size:1 3/4" (4 into 1) • Catalytic Converter Options: With

• Catalytic Converter Options: With high-flow catalytic converter or without catalytic converter (variant dependent)

Designed specifically for the correct engine configuration

Ideal for workshop fabrication

5" & 3" Euro2 Cats is  4" (101mm)

VT to VZ Header & Cat-Converter Combo Header Primary Size:1 3/4" (4 into 1) • Catalytic Converter Options: WithFor those looking to upgrade their VT through VZ Commodore, WH to WL Statesman & Crewman, manual or automatic, Sedan, Wagon or Ute, we offer a complete Header & Cat Combo Kit that will provide optimal performance and easy fit. Choose from either Pacemaker 4 1 headers, available in 1 7 8" or 1 3 4" sizes, or Pacemaker Tri Y headers with a 2. 5" 2 bolt outlet. Both options come with LS manifold gaskets and a choice of a 400CEL Euro4, 100CEL Euro2 spec