Borla Unequal Length Header Subaru 2002-2014 WRX / 2004-2021 STI

The Borla Unequal Length Header for the WRX / STI is constructed from T-304 stainless steel to give you the best in performance and durability. Borla's header will increase low end torque and throttle response through out the RPM range. Borla products are backed by a million-mile warranty, so this is the only header you will ever have to buy for your WRX or STI. This header is designed to bolt directly to a stock or aftermarket uppipe; we recommend changing the gaskets for a leak-free installation.

• Collector outer diameter 2.25"
• Primary tube outer diameter 1.625"
• Quality stainless steel materials
• Improves horsepower
• Improves torque
• Provides aggressive sound
• Fits manual and automatic models
• Does not include any gaskets or hardware

Notes:

• 2002-2005 WRX requires 2.5l STI oil pan (on some)
• 2006-2007 WRX requires STI oil cooler and STI oil pan

Fitment:

• Subaru 2002-2014 WRX
• Subaru 2004-2021 STI
• Subaru Legacy GT 2005-2009
• Subaru Outback XT 2005-2009