This loud, aggressive sports/performance cat back exhaust system for Porsche 987 Cayman & Boxster howls like a banshee at high revs with the valves open and generally produces the sound and performance expected of a car as prestigious as the 987. The system is suitable for passing tests such UK MOT and comes with all gaskets and bolts needed to fit. This is a VP/Topgear exclusive product with limited stock; order now to avoid disappointment. We have a similar, valved system, available for 987.2. Check out the awesome video’s below, showcasing the product with both valves open and valves closed.