Fits:

• Focus RS MK3

Expect to see gains of 5-10BHP compared to the original air box.

Enhanced induction sound, great looks and loud recirculation dump valve noise on let off.

Features:

• Removes ugly original plastic & restrictive air box
• Adds power and torque
• more responsive and exciting driving experience
• Enhanced induction sound and turbo recirculation noise (dump valve 'psssh')
• free flowing air filter & optional K&N dry charger filter cover
• CNC MAF sensor boss with AS engraved logo
• Powder coated alloy heat-shield with 80mm cold feed pipe which directs air to bottom of filter
• Adds style to your engine bay
• Easy fitting

It's easy to fit, looks great, sounds even better, doesn't cost the earth and can be put back to standard quickly.