Gates Timing Belt Tensioner Pulley Subaru WRX / STI 2002-2014 | T42146 FRS_2013-2016 With an electronic boost controller

With an electronic boost controller you could run 18psi from 3000-6000 and 16psi at 7000rpm because you can tune the boost map in the ECU which will allow you to run the maximum amount of boost at every given rpm

Excellent for spirited driving

oil-free OE replacement drop-in performance filter will out flow Mitsubishi's stock paper filter which results in improved horsepower and torque for your 4B11T powered Evo X

thereby increasing exhaust gas velocity and greatly improving scavenging potential

Gates Timing Belt Tensioner Pulley Subaru WRX / STI 2002-2014 | T42146 FRS_2013-2016 With an electronic boost controllerSubaru WRX STI 2002 2014 Gates Subaru EJ20 2. 0L EJ25 2. 5L Pulley For Tensioner When doing a timing belt replacement it is always a good idea to replace the tensioner(s) idler pulleys while you are in there. With the Gates Timing Belt Tensioner idler you can rest assured knowing you used a great part. Gates makes many OE parts and their aftermarket parts exceed OE specifications.