RCM Open Neck Downpipe 2.5" UK / Euro Spec Polishes 660cc displacement has a small

660cc displacement has a small absolute intake flow rate

Thanks to a special activator

Flat friction characteristics allow precise control of pedal force

opening up more avenues for routing coolant hose

Complete your cooling system plumbing confidently with our high-quality double swivel -16AN black anodized 45 degree hose end fittings that offer trouble-free installation and the performance you expect from SpeedFactory Racing

RCM Open Neck Downpipe 2.5" UK / Euro Spec Polishes 660cc displacement has a smallThe RCM stainless steel open neck de cat downpipe is designed to fit Impreza's from 2001 to 2004 (Euro spec cars only,and not suitable for twin scroll turbo). The assembly consists of 3" pipework which reduces to 2. 5" where it meets the secondary downpipe section (RCM330). The fantastic open neck design offers minimal exhaust back pressure on the turbo and offers excellent turbo spool characteristics. This is ideally suited to Impreza's producing up