Focus ST Mk2 Mongoose De Cat with 3 inch (76mm) pipework Auto Specialists S-U-MM-I-T Racing Equipment upgrades your

S-U-MM-I-T Racing Equipment upgrades your chassis performance and there by improving you cars handling and driving experience

fits lots of applications

on higher spec cars  with see these gains rise

multi spray angle but has 24 very small holes 12 on each side

Focus ST Mk2 Mongoose De Cat with 3 inch (76mm) pipework Auto Specialists S-U-MM-I-T Racing Equipment upgrades yourFree 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.