This product is for Racing Competition only and is not legal for use in highway or street vehicles or other non-racing competition off-road vehicles.
Purchasing this product requires you to sign our Vehicle Compliance Waiver here.
Large Secondary. The Holy Header Max was designed for higher flow rates with s stepped and large diameter secondary, 2.5".
Cast Collector. Stronger than tubing, made from 347 (321) stainless. A true high velocity merge design is superior to fabricated tube collectors.
Short Equal Length Primaries. The shortest possible length primaries you can have on an Equal Length header for improved transient response.
Symmetrical Primary Design. All primaries have a similar tube length and bend geometry.
Smooth Mandrel Bends. Large radius bends utilize a mandrel for smooth non-restrictive flow.
Thick Walled 321 Stainless Steel Construction for Long Life. 321 is alloyed with titanium. 321 stainless steel has higher strength and toughness at elevated temperatures.
Made in the USA and Killer B quality! Every Header setup is inspected, assembled and pressure tested before it ships to assure a leak free setup!
Works with OEM EJ25 Oil Pans, and Killer B Motorsport Performance Aluminum Oil Pan. Fits All WRX & STi EJ Series Engines.
Fitment:
- Subaru STI 2004-2019
- Subaru WRX 2002-2014
- Subaru Forester XT 2004-2013
- Subaru Outback XT 2004-2009
- Subaru Legacy GT 2004-2009
Other Part Numbers:
Killer B #KILHH-2BOLT-VE-UP
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
Killer B is an aftermarket company based in Waynesboro Virginia. They are known for producing parts and accessories for the automotive industry, specifically, Subaru made vehicles. The company started out in a small garage equipped with only a handful of tools, passion and enthusiasm for cars. Today, they are one of the go-to Subaru experts in the market.
Hands-On CompanyThe company has involved itself with various racing teams and ordinary daily drivers to understand what their customers want. By getting information directly from them, they are able to produce parts that satisfy their actual needs. Over the years, they were able to perfect their craft and become experts when it comes to the Subarus.
Quality ProductsAll of their products are done in-house, from design to actual manufacturing and fabrication. This allows them to have full control over their quality. and at the same time, ensure that their products come out the way they would like it to be. Designed by enthusiasts for fellow enthusiasts, you can be sure that you will only be getting the best value for your money.
Purchase Killer B Products At Vivid RacingIf you own a Subaru and are in the market for high-quality performance parts and accessories for your vehicle, then Killer B is the brand for you. Dealing with Subaru’s, they understand what it takes to improve your vehicle’s visual look and performance. To know more about Killer B, visit Vivid Racing and check out their list of products that fit your specific requirement.
Warranty claims must be shipped back to Killer B Motorsport for review. You must call or email for return authorization prior to returning the product. For warranty evaluation please return your item to Killer B Motorsport Warranty, 1 Solution Way, Suite 201, Waynesboro, VA 22980.
Warranty claims will not be honored if the product was not purchase through an approved dealer.
Killer B Motorsport does not Warranty Wrapped Headers.
Sale price | None |
Wholesale price | $2,394.79 |
Shipping |
Weight: 20.00 Length: 26 Width: 16 Height: 10 |
Product Added At | Monday 20 March, 2023 |
Product Modified At | Friday 11 July, 2025 |
Imported By | ETLOverride |
Last Edited By | vendordata@vividracing.com |
View In Admin |
Carb Approved | No |
---|---|
Carb Number | - |
Epa Status | N/A |
Prop65 | Unknown |
Carb Required | - |
Vendor | Inv | Cost | Retail | Jobber | MAP | Core | Updated | |||
---|---|---|---|---|---|---|---|---|---|---|
Premier WD | $2,029.48 | $2,457.00 | $2,457.00 | $2,457.00 | ? | 2025-07-11 01:51:50 |
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