2009 Focus RS Mongoose SystemsTuesday, 18 August 2009 Mongoose systems for the new Focus RS. Available as a CAT Back system or with decat/sports CAT options. Systems have 4 inch rolled slash cut tail pipes. Cat back Mongoose exhaust system for Focus RS mk2 - 4" rolled slash cut tailpipes 
Downpipe back Mongoose exhaust system for Focus RS mk2 - Comes with cat replacement pipe which add's power but will bring a MIL warning light on dashboard and won't pass an MOT 4" rolled slash cut tailpipes 
Downpipe back Mongoose exhaust system for Focus RS mk2 with sports cat - 4" rolled slash cut tailpipes 
Full turbo back Mongoose exhaust system for Focus RS mk2 with sports cat - 4" rolled slash cut tailpipes 
Turbo back Mongoose exhaust system without cat pipe for Focus RS mk2 - Leaves OE CAT in system to stay legal 4" rolled slash cut tailpipes 
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