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Ford approved Airbox lid/snorkle upgrade - 398bhp
gen 2 air filter
but due to its size we needed to make the fitting more adjustable
70mm thick core This high performance core offers superior cooling characteristics over the standard 40mm cooler as we adopt the latest in ‘wide port technology‘
Focus ST Mk2 Mongoose De Cat with 3 inch (76mm) pipework Bosch Ford approved Airbox lid/snorkle upgradeFree 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.