RCM replacement 3-Bolt Venturi Up-Pipe Interior_Gauge Pods You will need to re-map

You will need to re-map your Subaru after fitting this kit

but also includes a power booster which increases the energy in the fuel

and nose dive during braking

For this reason

Roger Clark Motorsport have developed their own range of high quality uprated valve springs

RCM replacement 3-Bolt Venturi Up-Pipe Interior_Gauge Pods You will need to re-mapRCM Replacement 3 Bolt Venturi Up Pipe This replacement venturi up pipe is designed specifically for stainless steel RCM Subaru tubular exhaust manifolds (part numbers RCM324 and RCM2110). Compatibility: Fits RCM tubular manifolds only. Not compatible with OEM 2 bolt exhaust manifolds. Material: Manufactured from 303 stainless steel for strength and durability. Turbo Fitment: Designed for use with turbos in the stock location. Sensor Provision: