Borla Cat-Back Exhaust
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Borla Cat-Back Exhaust - Subaru WRX STI (GD) - XR-1 S-Type 3in
A 3in Borla cat-back for the Subaru WRX STI (GD), using Borla's patented XR-1 multi-core muffler technology. It is the more aggressive S-Type version, a direct bolt-on for manual and automatic cars.
Note: Designed around the US-market vehicle; confirm fitment on Australian-delivered vehicles with our team before ordering. Installation by a professional is recommended.
Features
- 3in tubing with XR-1 multi-core muffler
- Borla logo-embossed 4in angle-cut, rolled-edge polished T-304 stainless steel tip
- Direct bolt-on fit
- Premium T-304 austenitic stainless steel construction
- Borla 3-year limited warranty
Need help confirming fitment? Contact our team at sales@chicaneaustralia.com.au.
Vehicle Compatibility
| Make | Model | Chassis | Years | Engine / Notes |
|---|---|---|---|---|
| Subaru | WRX STI | GD | 2004-2007 | 2.5L turbo |
Technical Specifications
| Spec | Value |
|---|---|
| Brand | Borla |
| System type | Cat-back |
| Pipe diameter | 3in |
| Material | T-304 stainless steel |
| Tips | Single 4in round angle-cut rolled-edge, polished |
| Sound level(s) | S-Type |
| Exit style | Single rear |
| Part number(s) | 140075 |
No instructions available for this product.

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