RS500 Airbox [Mk2 Focus RS] Wheels • Larger capacity alloy intercooler

• Larger capacity alloy intercooler

Cancels out 'whistle' / unwanted NVH apparent on some vehicles

and is easy to install with simple hand tools

particularly useful during the initial start-up or break-in of engines to protect against galling and micro welding

3-litre EcoBoost engine without significant hardware changes

RS500 Airbox [Mk2 Focus RS] Wheels • Larger capacity alloy intercoolermountune are pleased to confirm the return of the MK2 Focus RS Airbox The only Ford endorsed Mk2 Focus RS airbox upgrade as used in the Focus RS500 and MP350 upgrade mountunes involvement with the mk2 Focus RS began more than a year before the vehicles public debut back in 2009. From the outset it was clear that to increase the power output significantly, an improvement to the airflow capacity on the RS OE intake setup would be required. mountunes