Killer B Motorsport Equal Length 4-1 Holy Header Up-Pipe w/ EGT bung | Multiple Subaru Fitments (HH4-1-EGT)

2002-2014 WRX / 2004+ STI 4-1 Holy Header w/EGT Bung by Killer B MotorSport

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This is the Killer B Motorsport 321 Stainless Steel Holy Header. This particular header will come with the 2-bolt up pipe option, and it will also come equipped with an EGT sensor bung on the number 4 cylinder pipe. This header is a great option for those of you looking to improve the sound and power throughout the entire RPM range.

Please Note: It may not fit some Forester, Outback, and Legacy models with the OEM oil pan and cooler

Features

• 347 stainless Thick-walled cast
• Short Length Equal Primaries
• Symmetrical Primary Design
• Smooth Mandrel Bends
• Thick-Walled 321 Stainless Steel Construction
• V-Band Up-Pipe W/EGT Bung

Benefits

• Less turbulence
• Less header volume and quick spool up
• Helps keep the pulse velocities high and consistent
• Can handle extreme heat
• Optimizes the exhaust flow throughout the entire RPM range
• Improves horsepower and torque
• Reduces the turbo lag
• Produces an aggressive exhaust note

Applications

• 2006 Saab 9-2X
• 2004-2013 Subaru Forester XT
• 2009-2010 Subaru Impreza 2.5GT
• 2002-2014 Subaru WRX
• 2004-2021 Subaru WRX STI
• 2005-2009 Subaru Legacy GT
• 2005-2009 Subaru Outback XT

What’s In The Box?

• 1 – Steel Holy Header
• 1 – EGT Bung

Warranty

• Limited Lifetime Warranty