This is the Killer B SWAIN Coated Twin Scroll Equal Length Header.  This is the turbo header specially designed to work with the FA20 platform, and it features durable stainless steel construction to provide you with long-lasting performance. This manifold has been designed with smooth bends to optimize the exhaust flow which will maximize the performance from both a factory or aftermarket ...
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Killer B Motorsport Oil Baffle Windage Tray EJ OnlySubaru Models (inc. 2002-2014 WRX / 2004+ STI)
On this page, you are looking at the Killer B Motorsport Barebones Air Oil Separator Kit specifically designed for the FA20 engine platform, and it is also specifically designed for those of you who are employing a front mount intercooler setup. The intended function of this kit is to remove oil in liquid or in vapor form from the vented crankcase gasses. This is dependent on your driving style ...
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Killer B Motorsport Aluminum Oil Pan PackageSubaru Models (inc. 2002-2014 WRX / 2004+ STI)
This is the Killer B Motorsport Aluminum Oil Pan Package . This is the ultimate oil pan package that includes Killer B Motorsport's oil pan that has been designed to hold more oil while providing clearance for most aftermarket header/exhaust manifold setups. Below is a breakdown of the included components and their main purposes to improve the performance of your vehicle. KILLER B ...
The goal of this product is simple. To function as its Air/Oil Separator description implies: the removal of oil, in liquid or vapor form, from the vented crankcase gasses. Simple in premise, but function wise there’s a bit more to it. Varying oil droplet sizes, with differing pressure and velocity conditions. Different engines with varying venting characteristics or a street car vs a track or ...
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Killer B Motorsport Air Oil Separator Complete KitSubaru STI 2008+ / Subaru WRX 2008-2014
After years of ...
This product was designed to create more space in the engine compartment by combining two reservoirs into a single component. For anyone running a larger radiator, or custom intercooler tubing, this frees up valuable space with an extremely rugged solution. The plastic reservoirs are replaced with 1/8” thick laser cut and formed aluminum that is hand TIG welded to provide reliability under the ...
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Equal Length 4-1 Holy Header EJ Series w/ EWGEqual Length 4-1 Holy Header EJ Series w/ EWG
All headers are made to order. Roughly a 8-10 week lead time.   ...
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Equal Length 4-1 Holy Header EJ SeriesSubaru Models (inc. 2002-2014 WRX / 2004+ STI)
All headers are made to order. Roughly a 8-10 week lead time.   ...
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Killer B Motorsport 4-1 Holy Header 2-BoltSubaru Models (inc. 2002-2014 WRX / 2004+ STI)
This example is the popular Killer B Motorsport 321 Stainless Steel 2-bolt Holy Header. This header and/or exhaust manifold is a great way to increase the exhaust flow due to the smooth bends in the design that will optimize the exhaust flow. This will help maximize the flow potential of your turbocharger which will also reduce the spool time. This is an equal-length design that will produce an ...
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Twin Scroll Equal Length HeadersSubaru WRX 2015+
All headers are made to order. Roughly a 3-4 week lead time.   ...
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Killer B Motorsport Ultimate Oil PickupSubaru Models (inc. 2006-2014 WRX / 2004+ STI)