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

Part #: 17217. The Borla Unequal Length Header for WRX/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 ever need for your WRX or STI. This header is designed to directly attach to a stock or aftermarket uppipe. We suggest replacing the gaskets for a leak - free install. Note: Some 2002 - 2005 WRX models require a 2.5L STI oil pan, and 2006 - 2007 WRX models need an STI oil cooler and STI oil pan.

Using your Borla Unequal Length Header is easy. First, make sure you replace the gaskets before installing it on your stock or aftermarket uppipe. This will help prevent any leaks. When it comes to your WRX, remember that some 2002 - 2005 models might need a 2.5L STI oil pan, and 2006 - 2007 models need an STI oil cooler and oil pan. As for maintenance, since it's made of T - 304 stainless steel, it's pretty durable. But it's a good idea to regularly check for any signs of wear or damage. If you notice anything unusual, reach out to the manufacturer. With its million - mile warranty, you can have peace of mind while enjoying the improved torque and throttle response this header provides.