Name: Perrin 05-09 LGT/OBXT / 04-13 FXT / 02-14 WRX / 04-21 STi Equal Length Header 1.625 inch Primaries (Big Tube) (perPSP-EXT-056)
SKU: 1072373

Perrin 05-09 LGT/OBXT / 04-13 FXT / 02-14 WRX / 04-21 STi Equal Length Header 1.625 inch Primaries (Big Tube) (perPSP-EXT-056)

$ 57.38

$ 74.59

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The PERRIN Equal Length Header boosts horsepower and torque while producing a pleasant exhaust note. Both Standard 1.5" and 1.625" Big-Tube Primaries are offered.

NOTE

2002-2005 WRX - Yes, requires oil pan with header cutout and oil pickup tube
2002-2005 WRX Automatic Transmission - Yes, requires modifications to radiator and radiator line to the transmission
2006-2007 WRX - Yes, requires 2002-04 WRX oil cooler assembly and oil feed pipe
2004-2008 Forester XT - Yes, requires oil pan with header cutout, oil pickup tube, 2002-04 WRX oil cooler assembly, and 2002-04 WRX oil feed pipe
CSF Radiator with Built-in Oil Cooler - No
KILLERB Cast Oil Pan - No

APPLICATIONS

Subaru Legacy GT (2005, 2006, 2007, 2008, 2009)
Subaru Outback XT (2005, 2006, 2007, 2008, 2009)
Subaru Forester XT (2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013)
Subaru WRX (2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014)
Subaru STI (2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021)

FEATURES

Increase horsepower and torque without ECU recalibration or tune.
Designed for better exhaust flow while allowing the headers to be constructed with increased accuracy.
The equal length design of the PERRIN headers provides smooth, balanced exhaust flow from the heads to the turbocharger.
Perfectly sized for more horsepower.
Flanges are CNC machined from 304 stainless steel and counterbored on the backside to make smoother transitions.
Complete necessary OEM replacement parts required for the installation of PERRIN Equal Length Headers.