RCM Billet Tumbler Generator Valve (TGV) Delete Kit 2001 - 2007 WRX/STI & STI 2014+ Nismo the response across the entire

the response across the entire range is improved and you can experience smooth acceleration and deceleration

lessons learned from previous iterations have led to a wide range of upgrades and improvements

Mounted using double sided tape and sticks on top of the original mirror glass

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5" shorter than the OEM EP3 idler bracket and pulley

RCM Billet Tumbler Generator Valve (TGV) Delete Kit 2001 - 2007 WRX/STI & STI 2014+ Nismo the response across the entireTumbler 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