Create a smooth-sounding exhaust note while increasing horsepower and torque with the PERRIN Equal Length Header. Available in both Standard 1.5" or 1.625" Big-Tube Primaries.
- Material 304 Stainless steel
- Finish Brushed
- Outer Diameter - Normal 1½"
- Outer Diameter - Big Tube 1⅝"
In The Box:
- (1) PERRIN E4-Series Header
- (1) Anti-seize grease packet
- (1) PERRIN License Plate Frame
- Warranty & Instructions
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