Cat-Back System (VT/VX/VY/VZ SS)
- X-Pipe design, optimize exhaust flow and engine performance
- Oval style resonator , and oval style rear mufflers
- Twin 3″ O.D double wall polished stainless steel tips
- Proven power gain
Design options:
- Twin 2.5” with oval rear muffler: Sound level: Medium
- Twin 2.5” with hot-dog style rear mufflers: Sound level: High
- Twin 3” with oval rear muffler: Sound level: Medium-high
Material options:
- Polished 304 grade stainless steel piping and tips
- Mild steel piping and stainless steel tips
Header and Cat (VT-VZ V8 5.7L & 6L)
- Proven power gain
- 4-1 Header:
- Option 1: 1” 5/8 primary and 3” collector
- Option 2: 1” 3/4 primary and 3” collector
- Tri-Y header : 1”5/8 Primary 2.5” collector
- Cat options:
- Option 1: 2.5” ceramic hi-flow racing cat
- Option 2: 2.5” metallic hi-flow racing cat
- Option 3: 3” ceramic hi-flow racing cat(for 1”3/4 header only)
- Option 4: 3” metallic hi-flow racing cat(for 1”3/4 header only)
Vehicle Application Guide:
- VT – VZ Holden Commodores
- Images are for illustration purposes only