Nitron R1 Coilover Suspension System GD 2005-2007 STI Service Items_Octance Boosters & Additives On a standard engine oil

On a standard engine oil vapours from the crankcase and cylinder heads are usually recycled back through the air intake system

considered to be the highest quality and most effective oil filter available from Subaru

for higher performance engines

Innovation

The STI Hardened Gearbox Mount is produced by STI in Japan and has long been a valuable asset to many of the Impreza

Nitron R1 Coilover Suspension System GD 2005-2007 STI Service Items_Octance Boosters & Additives On a standard engine oilThe Nitron R1 system offers unrivalled performance and value with a design that gives drivers a wide range of effective, easy to use damping control. 2 Way combined damping adjustment. Developed from our full race suspension and sharing many components with the R3 system, the R1 offers exceptional performance, reliability and value for both road and track use. Widely praised by drivers around the world and respected for our performing considerably