Killer B Motorsport 4-1 Holy Header 2-Bolt Subaru WRX 2002-2014 / STI 2004-2021 | HH-2BOLT Vehicle Model_3000GT See Company23 Subaru Cam Sprocket

See Company23 Subaru Cam Sprocket Tool Manual for usage details

Part #: TR-FM1000

compounds in the high temperature ranges over 1000°F range are usually necessary

Part #:14411AA5729L

Killer B Motorsport 4-1 Holy Header 2-Bolt Subaru WRX 2002-2014 / STI 2004-2021 | HH-2BOLT Vehicle Model_3000GT See Company23 Subaru Cam SprocketPart #: HH 2BOLT The Killer B Motorsport Holy Header 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 spool up time