Focus Mk2 RS/ST Big Turbo cast manifold with the large T3 flangeCast Iron construction External wastegate compatable. T3 High Power version up to a GT35 turbo & 600+bhp At last a true alternative to the tubular manifold,The start for real power starts with the removal of the stock manifold on the ST RS Focus 5 cylinder Volvo engine. The new cast manifold comes with the large T3 flange and can accommodate many different turbos and power outputs The only manifold choice when looking for a Genuine 500+bhp and a NO