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Killer B Motorsport

HH-2BOLT-SWAIN

Killer B Equal Length 4-1 Holy Header 2-Bolt with SwainTech Ceramic Coating - Subaru WRX 2002-2014 / STi 2004-2020 (+Multiple Subaru Fitments)


If you want some of the best components available when modifying your vehicle, then you will be satisfied with a great product from Killer B Motorsports. This introduction is for the 321 Stainless 2-Bolt Header that will be Swain Coated for extra protection against heat and corrosion. This is a great option because the header is designed around the oil pan, and it will help reduce your oil temperatures for improved performance. 

Killer B Motorsport manufactured these exhaust manifold using the latest technologies which include state of the art CAD software and simulations to help determine optimal design to develop as much power as possible out of a header design. This means that you will get more horsepower and torque throughout the entire RPM range. Additionally, this header has been designed with short as possible primaries with a single secondary which helps significantly decreases header volume allowing exhaust gas pressures to build quickly. 

The symmetrical 4-1 design maintains high and consistent exhaust velocity as RPMs rise which reduces turbo lag and improves throttle response. The more noticeable gains are the ability to hold more power higher into the revs. And like all Killer B Motorsport exhaust components, one of their greater attributes is the quality of the welds. You don't have to second-guess the quality of the quality of their welds as they put forth much emphasis on the quality of the materials they use when developing their products.

Will work with any 2-bolt Up-Pipe design including rotated applications. 

Note: May not fit some Forester, Outback, and Legacy models with the OEM oil pan and cooler.

*Pictures used for marketing purposes only, actual products may vary

  • 2004-2020 Subaru STI
  • 2002-2014 Subaru WRX
  • 2004-2013 Subaru Forester XT
  • 2005-2009 Subaru Outback XT
  • 2005-2009 Subaru Legacy GT

Works with OEM EJ25 Oil Pans, and Killer B Motorsport Performance Aluminum Oil Pan!

Fits All WRX & STi EJ Series Engines. Designed to work with OEM location turbo.

 

Note: May not fit some Forester, Outback, and Legacy models with the OEM oil cooler.

All Killer B Motorsport parts have a Lifetime Warranty for the Original Purchaser. This warranty only applies to the original purchaser and is non-transferrable. If the product fails it would need to be determined by Killer B Motorsport that it is due to manufacturing defects in materials or workmanship. This does not cover normal wear and tear. Improper use, modification, or abuse voids this warranty. Killer B Motorsport will not be held responsible for additional costs due to the failure of a product (cost of sale, towing, laber, etc.).

 

Note: Wrapping any Killer B Motorsports headers will void the warranty.

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