Agency Power Unequal Length Header WRX (2002-2014) STI (2004-2018) Volkswagen Some vibration noticeable

Some vibration noticeable

and braking

The exhaust piping is 3 inch in diameter and fully polished

As exhaust gases exit the EJ25 engine and flow into an AWE 180 Technology® equipped resonator

Perrin's STI FMIC kits mount to their powder coated boxed steel replacement bumper beam with 1/2" thick mounting plates

Agency Power Unequal Length Header WRX (2002-2014) STI (2004-2018) Volkswagen Some vibration noticeableThe all new Agency Power stainless steel unequal length header kit is now available for your Subaru WRX, STI & Legacy GT. A special designed collector enables perfect flow into the uppipe providing faster turbo spool and increased horsepower. The AP header features polished 321 stainless steel for a show quality finish. The header has CNC machined inch thick flanges and includes everything you need to bolt directly on to your turbo Subaru. Installing