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Go Beyond OEM
Multiple integrated hole provisions that permit different float heights to accommodate your application
· Impedance: High Z
39mm diameter fits most applications
Ultra-Fiber Organic Disc features advanced facing materials that offer excellent heat-resistant qualities
Killer B Motorsport 4-1 Holy Header 2-Bolt w/EGT Bung - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI) PDM_interior-trim-and-accessories Go Beyond OEMThe 4 1 Holy Header has an EGT bung to improve the performance on the Subaru STI. Killer B Motorsport 4 1 Holy Header 2 Bolt w EGT Bung Specs: Cast Collector: The collector is made of thick walled cast 347 stainless. This design removes several welds which removes flow disruption for less turbulence. This also allows the collector to be designed as a true high velocity merge. Short Equal Length Primaries: Shorter length primaries make for an equal
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