Subaru Forester Turbo / STi SG5/9 2.0/2.5 Turbo 3″ Sports Cat for MAL-427 02-08
Subaru Forester Turbo / STi SG5/9 2.0/2.5 Turbo 3″ Sports Cat for MAL-427 02-08
Important fitment information
Important: 200CPI Cat. Only fits with the MAL-427 exhaust system. Fits Forester SG 2.0 and 2.5 turbo models (2002-2008), including STi, only when equipped with a single-scroll turbo setup. Not suitable for twin-scroll setups. Incorrect Opel/BMW K-Type matches removed. Replacement K-Type matching pending verification of turbo configuration; the MVL does not identify single-scroll versus twin-scroll.
Developed for 02–08 Subaru Forester Turbo (SG5/9) with the 2.0 Turbo engine (EJ20), this sports-cat section combines performance-oriented pipework with a catalytic core in an application-specific assembly.
Formed from 3-inch stainless steel pipework with TIG-welded joints, this section pairs freer-flowing pipework with a performance catalyst to support stronger flow and engine response.
Key features
- Vehicle-specific fitment: Subaru Bugeye Impreza WRX (GD/GG) — 00-03
- Performance catalyst section with application-specific sensor provision
- 3″ pipework · Stainless Steel construction · TIG-welded joints
- Fitting kit included
Sound and character
The freer-flowing section can add a stronger exhaust note while retaining a catalytic core.
Design features
Uses a 200-cell catalyst core.
Fitment notes
Fits 02–08 Subaru Forester Turbo (SG5/9) with the 2.0 Turbo engine (EJ20).
The sports catalyst offers a less restrictive alternative to many original catalyst sections and is well suited to tuned applications.
What’s in the box?
- 1 × Sports-Cat Section
- 1 × Fitting Kit
Technical specifications
- Product type: Sports Cat for MAL-427
- Tube diameter: 3″
- Material: Stainless Steel
Vehicle compatibility
- Manufacturer: Subaru
- Model: Forester Turbo / STi
- Chassis code: SG5/9
- Production years: 02-08
- Engine: 2.0/2.5 Turbo
- Engine code(s): EJ20 / EJ25
A considered fit for the Subaru Forester Turbo / STi and Forester Turbo
These Subaru applications are defined by their boxer-engine soundtrack and all-wheel-drive character. A correctly matched exhaust brings out that personality while following the distinctive route around the transmission and rear drivetrain.
Subaru changed turbo outlets, sensor positions, body styles and centre sections across generations. Check whether the car is saloon or wagon, confirm the chassis and engine, and read any downpipe or rear-section notes closely.
| Weight | 4.4 kg |
|---|---|
| Dimensions | 15 × 95 × 16 cm |
| Manufacturer | Subaru |
| Part | Sports Cat for MAL-427 |
| Model | Forester Turbo / STi |
| Production Years | 02-08 |
| Important Notes | 200CPI Cat. Only fits with the MAL-427 exhaust system. Fits Forester SG 2.0 and 2.5 turbo models (2002-2008), including STi, only when equipped with a single-scroll turbo setup. Not suitable for twin-scroll setups. Incorrect Opel/BMW K-Type matches removed. Replacement K-Type matching pending verification of turbo configuration; the MVL does not identify single-scroll versus twin-scroll. |
| Tube Diameter | 3" |
| Fitting Kit Included? | Yes |
| Welding Type | TIG |
| Steering Side | Right Hand Drive or Left Hand Drive |
| Chassis Code | SG5/9 |
| Part Number | MAL-521 |
| Engine Size | 2.0/2.5 Turbo |
| Engine Code | EJ20 / EJ25 |
| Upsell SKUs | MAL-611 |
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