The VF SS Exhaust system aims to boost the Holden VF SS's performance, sound, and driving feel. The unit is basically loud, the V8 deep and raw for the whole range it greatly enhances throttle response and increases the overall power delivery. To keep the system durable and to allow the high-quality stainless steel material to improve the engine's breathing for smoother performance ha... https://www.ultrex.com.au/