BMC Focus RS MK2 Airfilter Engine Bay 0 turbo with a Milltek

0 turbo with a Milltek Sport Exhaust

Already have a Mongoose exhuast system on your Mk2 ST

Increased Bhp reliability

fitted to hundreds of ST150's from 200bhp naturally aspirated to full blown Supercharged 300+bhp

and a new mapping feature to fine-tune for throttle+RPM (or vehicle speed)

BMC Focus RS MK2 Airfilter Engine Bay 0 turbo with a MilltekBMC Carbon Oval Trumpet Airbox OTA filtering system is composed of a cylindrical carbon air box containing a washable filtering element. Substituting the original air box with the OTA, cold air is directly channeled through an internal airflow deflector to the filter and drawn into the engine with a very small pressure drop (patented system). The OTA system also includes a black alloy ducting for connecting the system to an air intake on the front of