Subaru Forester Performance 

"Power without compromise, that's what we like to see".

Fast Fours and Rotaries Magazine 


2004-2007 Model Forester XT - North American Specification
We are passionate about high performance for the All Wheel Drive Subaru. Drawing on 20 years of turbocharging and intercooler system design and production knowledge, our mission is to produce the very best high performance systems and components to significantly enhance Forester XT engine power.

Whether it be riding a tidal wave of torque with a complete, engineered power-up package, or individual components, we have the products and expertise you need to significantly enhance your Forester.

You can rely on every APS component to be innovative in design, engineered to exacting standards and race proven to ensure absolute reliability.  

Come and see what we can do for your Forester.

AIR INTAKE Systems & Components

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Cold Air Intake System - 65mm
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Cold Air Intake System - 70mm I.D.

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Turbocharger Inlet Pipe
INTERCOOLER Systems & Components
SR 375 Dual Entry Top Mount Intercooler System - Requires APSWRX-CDD/06
EXHAUST Systems & Components

3" Turbo Back Exhaust System
APS Equal Length Split Pulse Headers
Requires Subaru Part Number 21311AA051 & 21317AA022
Heat Shield Kit for the APS Equal Length Split Pulse Headers
Requires Subaru Part Number 21311AA051 & 21317AA022
APS High Energy Stainless Steel Turbine Inlet (Up) Pipe (for use with APS Equal Length Split Pulse Headers)
TURBOCHARGER Systems & Components
aps turbo
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P/N 990-060-425
APS SR40 Ball Bearing Turbocharger aps turbo
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P/N 990-060-650
APS SR56 Ball Bearing Turbocharger

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P/N 990-060-475
APS SS45 Series Sleeve Bearing Turbo
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P/N 990-060-460
APS SS42 Series Sleeve Bearing Turbo
TMIC High Volume Dual Vent Blow Off Valve
APS High Output Fuel System - Side Feed Injectors High Output Fuel System - Top Feed Injectors

Tumbler Delete - Top Feed Injectors

Tumbler Delete - Side Feed Injectors

Click here to see what we've been up to on the race track
Including in car video from Calder & Sandown Raceway