Applications: K20A
717858-0009
Interchange Part Number: 18-B4729
Interchange Part Number: MF0410
5 GT Sedan2009 Subaru Impreza 2
Exhaust Header for 1998-2014 LS1/LS2/LS3/LS4/LS6, LSX V8 Engines Fuel Pressure Regulator Applications: K20AExhaust Header for 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 LS1 LS2 LS3 LS4 LS6, LSX V8 Engines Replacing or upgrading your exhaust header is necessary for both engine performance and sound. Whether on or off the track, exhaust headers provide more horsepower and improved exhaust sound. offers many products to help you create your own custom engine headers. It's really easy and convenient to