Subaru Impreza Supercharger Kits

The supercharger system provides instant progressive power.
Rotrex superchargers operate much cooler when compared to turbochargers and other supercharger systems, which reduces the engine’s intake air temperature as well as its risk of detonation.

​HP Charger
– > 160 C30-74

2000 – 2007 SOHC 2.0 litre Flat 4 cylinder Subaru Impreza.

Developed and manufactured in house by Bullet Cars utilising the C30-74 Rotrex Supercharger, this kit will transform your standard non turbo Impreza into a WRX beating machine! This Intercooled kit produces more than 70% gain on a standard engine and over 100% power gains can be safely achieved with the fitment of a good exhaust system with extractors. The power delivery from the Rotrex Supercharger is extremely smooth and gives instantaneous boost without lag. With an OEM style installation this kit will suit the owner who is looking for a discreet performance upgrade.


  • OEM high quality Installation with virtually silent Supercharger operation
  • Designed to suit an internally standard factory engine
  • Over 70% power increase on a standard engine with minimal boost pressure
  • Does not require fuel pump or injector upgrades

Parts Included

  • Rotrex C30-74 Supercharger @ 10psi
  • Rotrex Self contained Oiling system with Oil cooler
  • Bullet Supercharger CNC machined Mounting bracket with idler pulley setup
  • Bullet 5PK Ribbed drive belt
  • Bullet Aluminium Intake piping with silicon hoses and hose clamps
  • Bullet Auxiliary boost injector with mounting system
  • Bullet recirculating bypass valve
  • All high quality Fasteners and hoses required for Installation
  • Bullet high efficiency Water to Air Intercooler with front mounted radiator and high flow pump (Intercooled Kit only)


Please note: This kit must be fitted in conjunction with an engine management solution.

The Subaru Impreza kits are offered by this kit builders:
Please contact them directly by interest. (Click logo to visit)



  • XEDE piggyback ECU with 2 bar map sensor, dual map capability and base map installed
  • Ceramic coated extractors and high flow exhaust system
  • Custom Dyno tuning
  • JBT Brake Upgrade


Dyno Sheet