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Killer B Holy Headers WRX / STI Subaru Turbo Models EJ20/EJ25 2002-2021 | HH4-1 discontinued-with-inventory Sold As 4 oz

SKU 43793684635
4.1
Description

Sold As 4 oz

1989-1994 Nissan Skyline R32

Part #: PSR-216BFWBBOSM

and where the factory inlet/outlet locations eliminate the option for a proper N-FLO design

Part #: IS-240SR-OCK-GB

Killer B Holy Headers WRX / STI Subaru Turbo Models EJ20/EJ25 2002-2021 | HH4-1 discontinued-with-inventory Sold As 4 ozPart #: HH4 1 The Killer B Motorsport Holy Header for the Subaru WRX STI was developed using state of the art CAD software & simulations to determine optimal design to increase power in the mid to high RPM range. Short as possible primaries with a single secondary significantly decrease header volume allowing exhaust gas pressure to build quickly. Symmetrical 4 1 design maintains high and consistent exhaust velocity as RPMs rise. You can expect faster

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