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Perrin Equal Length Header WRX (2002-2014) STI (2004-2020)

Perrin

SKU: PSP-EXT-055

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Product Description

The Perrin Performance equal length header for the Subaru WRX, STI and Legacy GT has quickly become one of the most popular Subaru aftermarket header choices due to proven power gains of up to 30 wheel horsepower and 30lbs of torque on a slightly modified STI! The Perrin manifold is a true equal length WRX & STI header constructed of full T304 stainless steel. The Perrin Performance WRX & STI header is designed to make large power gains without sacrificing low end power. Flanged for a stock uppipe, the Perrin header is compatible with stock location uppipes, including those included with rotated mount turbo kits, making the Perrin manifold an excellent choice for big turbo Subarus. The Perrin Performance equal length header is designed for the 2.5 liter WRX & STI, but it will fit the 02-05 WRX with the purchase of a 2.5L oil pan. If you are looking for huge power gains, this is the header for you.

FITMENT NOTES:
2002-2005 WRX - Yes, requires oil pan with header cutout and oil pickup tube, and custom modification to the radiator line to the transmission.
2002-2005 WRX - Automatic Transmission Yes, requires modifications to radiator.
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.
2009-2013 Forester XT - Yes, no modification required
2004-2007 STI - Yes, no modification required
2005-2009 Legacy GT - Yes, no modification
2008-2014 WRX - Yes, no modification
2015-2018 WRX - No
2008-2014 STI - Yes, no modification
2015-2019 STI - Yes, no modification
CSF Radiator with Built-in Oil Cooler - No
KILLERB Cast Oil Pan - No


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