HKS Unequal Length Header Subaru WRX 2002-2014 / STI 2004-2021 / Forester XT 2004-2008 / Legacy GT 2005-2009
1419-RF001
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The HKS Unequal Length Header for Subaru WRX 2002-2014 / STI 2004-2021 / Forester XT 2004-2008 / Legacy GT 2005-2009: constructed from polished SUS304 stainless steel for maximum durability, complete with thick flanges and gaskets. Plus, a heat insulator is thrown in for extra security. This is one pretty piece that will bolt to stock or stock-location uppipes – easy-peasy!
- SUS304 stainless steel construction
- Premium welds
- Designed to optimize exhaust flow while increasing spool
- Unequal design
- Improves horsepower and torque
- Improves throttle response and reduces turbo lag
- Creates an aggressive exhaust rumble
- Works with the stock up-pipe, or any aftermarket up-pipe that utilizes the 2-bolt flange
- Includes (2) manifold gaskets
- Includes (1) up-pipe gasket
- Includes heat wrap
- Includes zip ties and an O2 sensor plug
Fitment:
- 2002-2014 Subaru WRX
- 2004-2021 Subaru STI
- 2005-2009 Subaru Legacy GT
- 2004-2008 Subaru Forester XT
Notes:
- 2002-2005 WRX requires 2.5l STI oil pan (on some)
- 2006-2007 WRX requires STI oil cooler and sti oil pan
Review pages below for additional information: