The 5.7L Stroker V8 motor found in some HSV’s utilised two catalytic converters in its exhaust system. This was different to anything seen before on the VP, VR, and VS line-up, which all used only one catalytic converter. This twin cat exhaust system can be fitted to any VN – VS 5.0L Commodore for enhanced sound and power when compared to the regular, single cat exhaust. The 2.5″ dual system is adequate for most applications, with a number of options depending on what noise level you’re chasing.
The 3″ dual is a hand built high-end exhaust system, only available in stainless steel. It is suited to very high horsepower applications, or if you are chasing the ultimate sounding exhaust system for the 5.0L/5.7L Commodore. Regardless of which one you choose, you can be guaranteed your Commodore transformed into the ultimate driving machine, with power and sound to match the V8 lurking beneath the bonnet!