The sports exhaust system with Sound Architect active valve technology lets you tailor your exhaust note to suit your needs as and when you need it. Giving you optimum performance whilst still meeting emissions regulations.Mandrel bent for optimum flowSport sound at the touch of a buttonWorks in relation to throttle positionThe adjustable system allows you to choose the direction of the flow of gasses. If they pass through the resonated section, the exhaust gives you a quieter, refined note more suited to daily driving. If you select the non-resonated option then the exhaust is encouraged to flow through the straight pipe section which gives you a louder, deeper tone which is much more throaty and can give you the occasional burble and pop.Quicksilver Exhaust Systems are a recognised manufacturer of original and 'sports' performance exhaust systems for the World's finest classic, prestige and exotic sports cars since 1973. The range of high-quality sports systems are manufactured by cr