RCM Billet Tumbler Generator Valve (TGV) Delete Kit 2001 - 2007 WRX/STI & STI 2014+ 52321-SNA-A01 the rate was set to

the rate was set to 3

when using wide S-tires

The ring machining process of the original TC-4 is continued

Made from 7076 T6 Aluminium

The design features a thicker inner rim compared to the standard G025 to reduce road noise and increase the load capacity up to 900 kg to cater for the increasing weight of modern vehicles

RCM Billet Tumbler Generator Valve (TGV) Delete Kit 2001 - 2007 WRX/STI & STI 2014+ 52321-SNA-A01 the rate was set toTumbler Generator Valves (or "TGV" as they are most commonly referred to) can be found on Impreza WRX, Forester Turbo and Legacy GT models from 2001 onward. Their prime purpose is to reduce emissions from cold idle to meet standards governed by the EU emissions regulations (similar regulations also exist for both the US and Japan). Whilst this may be good for the environment it does little to aid the performance of your car and it's not uncommon for