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  • 321 stainless steel, cast collector, equal length,
    mandrel bends
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    2015 WRX Parts Now Available
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    Better flow than OEM, extra protection from oil
    starvation, 3d CAD designed and track tested
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    All Parts Tested at the World’s Toughest Racetrack

Mission Statement

Design, Engineer & Manufacture High Performance Subaru

Killer B Philosophy

Provide Products with Class Leading Performance, Quality and Value.


ALL Killer B Motorsport products come with a Lifetime Warranty against manufacturing defects.

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Who we are ?

Killer B Motorsport is a Subaru ONLY performance manufacturer. Specializing in a specific make allows tremendous focus and rapid knowledge gain. We provide the highest performing products money can buy, giving you the best value. Our technical expertise in Subaru oiling systems is unmatched and often used by the worlds fastest track prepped Subarus.