A lighter weight system that has more efficient flow and shows a noticeable improvement in throttle response whilst enhancing that sports car sound. The system is designed to work with the engine, so at lower revs the sound remains relatively civilised and at higher revs it provides more presence and volume. - Made from T304 Stainless Steel. - Improved throttle response. - Less weight benefits all areas of performance. Factory Exhaust - 12.8 kilos ~ 28 lbs QS System - 9.8 kilos ~ 21.6 lbs Saving - 3 kilos ~ 6.4