Borla Unequal Length Header Subaru WRX 2002-2014 / STI 2004-2021 / Legacy GT 2005-2012

Part #: 17217. The Borla Unequal Length Header for WRX and STI is crafted from T - 304 stainless steel, offering top - notch performance and durability. It boosts low - end torque and throttle response across the RPM range. Backed by a million - mile warranty, it's the only header you'll need for your WRX or STI. This header can be directly bolted to a stock or aftermarket uppipe. We suggest changing gaskets for a leak - free install. Notes: Some 02 - 05 WRX models need a 2.5L STI oil pan, and 06 - 07 WRX models require an STI oil cooler and oil pan.

Using this Borla header is easy. Just bolt it directly to your stock or aftermarket uppipe. Make sure to change the gaskets during installation to prevent leaks. For 2002 - 2005 WRX, some models may need a 2.5L STI oil pan, and 2006 - 2007 WRX models need an STI oil cooler and oil pan. As for maintenance, since it's made of T - 304 stainless steel, it's quite durable. Just check it regularly for any signs of damage or loose bolts. If you notice anything wrong, it's a good idea to get it checked by a professional. With its million - mile warranty, you can trust this header to serve you well for a long time.