Aeroflow Performance Boosted turbochargers are designed specifically for the enthusiast who wants optimal performance at a competitive price.

This direct bolt on Boosted Turbocharger is specifically designed for the Subaru EJ25 engine. Recommended to suit Subaru WRX 2002-2007 and Subaru WRX STI 2004-2021. It is a dual ceramic water cooler turbocharger core similar to the factory turbocharger. This bearing cartridges designed to prolong the turbo lifespan and improve shaft balance.

BOOSTED 5856 SUBARU EJ Turbocharger Specifications

Recommended horsepower rating: 400-600HP
Recommended engine displacement: 2L to 2.5L

- Dual ceramic ball bearing
- Billet aluminium compressor wheel
- Slip On compressor cover inlet (80mm)
- Slip on compressor cover outlet (52mm)
- Subaru 3 Bolt turbine inlet flange
- Internal Oil Restrictor Built into turbocharger core
- Will suit standard coolant lines or M12 x 1.25mm coolant fittings sold separately
- Will suit standard turbo drain or turbo drain adapter (Sold separately, AF463-01 or AF463-05)
- 5-Bolt Subaru turbine outlet flange (3 x M10 x 1.25mm threads)
- SiMo-nodular cast iron rear housing
- M12 x 1.25mm coolant fitting port thread
- M10 x 1.50mm oil feed fitting with in-built restrictor in turbocharger core
- 38mm bolt centre turbo drain plate with M6 x 1.25mm thread size
- Internal wastegate with 14psi spring and 33mm Hole

Compressor Specifications
Inducer: 58mm
Exducer: 71.4mm
Extended Tip: 74mm
Compressor Inlet: Slip On
Compressor Outlet: Slip On

Turbine Specifications
Inducer: 60mm
Exducer: 56mm
A/R: 8cm
Turbine Inlet Flange: 3 Bolt Subaru
Turbine Outlet Flange: 5-Bolt Subaru

Wastegate
Internal wastegate with 14psi actuator