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This simple yet effective modification is designed to allow a freer flow of gases by removal of any restriction caused by the secondary catalytic converter releasing extra power with a slight increase in noise
pre-assembled and pressure tested before dispatch
With many competition car builds
These inserts also have a hole to make provision for fuel lines and any wiring which needs to be carried through to the boot space
with working temperatures from -40°C to 150°C and a maximum burst pressure of 37 Bar(g)
RCM / OMEGA Low Expansion Piston Set - WRX & STI 2006+ (V9+) EJ25 WRC Engine Parts This simple yet effective modificationRCM have always chosen Omega as their preferred piston manufacturer, not only because of their extensive experience within motorsport but also for the incredible accuracy and attention to detail that is applied to every aspect of their manufacturing. So why forged? A forging is still the best way to manufacture a piston, not just from a production point of view but for the strength of the piston. There are certain areas where a piston machined from
