Agency Power Equal Length Header WRX (2002-2014) STI (2004-2018) Legacy GT Suspension (10-up) - Dyno-proven gains of up

- Dyno-proven gains of up to 57 whp and 52 wtq with catted downpipe and Mishimoto Subaru WRX Tuning Kit

The specs for this gunmetal with machined lip Cosmis Racing XT-206R Wheel are 17x9 5x114

Best for moderately modified or daily driven Focus ST

from Whiteline keeps the front end under control and provides the driver with more predictable handling and adds

Agency Power Equal Length Header WRX (2002-2014) STI (2004-2018) Legacy GT Suspension (10-up) - Dyno-proven gains of upMany Subaru WRX STI LGT owners want their turbo cars to spool up quicker and still deliver great horsepower and torque gains. With the new Agency Power equal length header this is absolutely possible. By implementing equal length tubing and a merged collector, Agency Power is able to improve your turbo spool up by 300rpm. When testing this on header on an upgraded turbo vehicle, AP were able to see gains on a Mustang Dyno of up to 30ft lbs of torque