RCM BRZ / GT86 Stainless Steel Tubular Exhaust Manifold Options:Manifold Only The studs are naturally stronger

The studs are naturally stronger due to their extra thickness and superior material quality but they also benefit from a much coarser rolled thread (meaning you can tighten them far more than the standard bolt which in turn will offer a much higher clamping load between both the cylinder head and block faces where you head gasket is situated

Beautifully sculpted to allow maximum airflow into the turbo inlet track

Not only can it be used for a super high performance octane booster

for Subaru Impreza 2001 - 2007

Sharper throttle response and improved engine performance

RCM BRZ / GT86 Stainless Steel Tubular Exhaust Manifold Options:Manifold Only The studs are naturally strongerRCM Unequal Length Stainless Steel Headers offer increased power and torque. Our exhaust manifolds not only offer significant performance gains across a range of areas but are also manufactured to the highest of standards. Manufactured with slip joints in the centre of the manifold also allows for expansion under temperature changes so as not to place unwanted stress on welds and removing the need for un reliable flexi joints. Additionaly we offer the