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We have taken more time than most perfecting our manifold to what you see here
Conclusion
Step by step fitting Instructions
New improvements include better boost stability at high RPMs and high boost to provide more top-end power
The OEM hose/alloy pipe arrangement from the turbo to intercooler does fit straight on
Focus ST Mk2 Milltek De Cat with 3 inch (76mm) pipework Mongoose We have taken more timeFree UK shipping Features Pipe Diameter 76. 20mm (3 inches) Removes original Cat Allows exhaust gases to flow much faster, More power! Expect more popping & deeper aggresive exhaust sound Gain 10bhp + (depends on spec of your car) Please note. As this removes the original catalytic converter your car will not pass an MOT (UK Emission test) and is not intended for road use