SKU: 140075 | UPC: 808422400756
Borla 2002-2007 Subaru Impreza WRX WRX STI XR-1 S-Type Cat-Back Exhaust System Part #140075
The Borla 140075 XR-1 S-Type Cat-Back Exhaust System delivers aggressive sound and performance gains for 2002-2007 Subaru Impreza WRX and WRX STI models with 2.0L/2.5L turbo engines. This direct bolt-on system fits sedans, hatchbacks, and wagons with automatic or manual transmissions, providing increased horsepower, torque, and fuel efficiency through patented straight-through technology. Experience the Borla Sound of Power that enhances every drive with refined throttle response and motorsport styling.
Key Features
- T-304 Stainless Steel Construction: All-welded durability resists corrosion for long-lasting performance and million-mile warranty coverage.
- 3″ Tubing Diameter: Maximizes exhaust flow from the catalytic converter back, unlocking power and supporting turbo tuning potential.
- XR-1 Multi-Core Muffler Technology: Patented straight-through design reduces backpressure for gains in horsepower, torque, and fuel mileage.
- 4.5″ Polished Single Left Rear Tips: Angle-cut, rolled-edge T-304 stainless steel tips add aggressive styling visible from behind.
- Rear Exit Configuration: Custom-engineered for precise fit on AWD Subaru platforms, meets emissions standards with no drone.
Product Notes
- Pair with Borla header #17217 for additional power gains on turbocharged engines.
- Clean regularly with mild soap to maintain polished finish on stainless steel components.
- Ships as complete bolt-on kit; no cutting or welding required for stock applications.
Installation Notes
- Professional installation recommended.
- Bolt-on design uses factory hangers and mounts; 1-2 hours typical install time.
- Compatible with stock catalytic converters and oxygen sensors; no tuning required for street use.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2003 | Subaru | Impreza | WRX Sedan |
| 2002-2005 | Subaru | Impreza | WRX Wagon |
| 2004-2005 | Subaru | Impreza | WRX Sedan |
| 2006-2007 | Subaru | Impreza | WRX Sedan |
| 2006-2007 | Subaru | Impreza | WRX Limited Sedan |
| 2004-2007 | Subaru | Impreza | WRX STI Hatchback |
| 2005-2006 | Subaru | Impreza | WRX STI Sedan |
| 2007 | Subaru | Impreza | WRX STI Limited Sedan |
Why Choose Borla?
- Leads exhaust innovation since 1978 with race-proven technology from global competitions.
- Uses only T-304 austenitic stainless steel for strength beyond aluminized or 409 materials.
- Engineers every system for bolt-on precision, flow gains, and signature exhaust note.
Frequently Asked Questions
- Q: Does this fit both automatic and manual transmission WRX/STI models?
A: Yes, the 140075 Cat-Back fits 2002-2007 Impreza WRX and 2004-2007 WRX STI sedans, hatchbacks, and wagons with auto or manual transmissions and AWD. - Q: What material is used and how does it perform long-term?
A: Full T-304 stainless steel tubing, mufflers, and 4.5″ tips ensure corrosion resistance, backed by Borla’s million-mile warranty for street and track use. - Q: Is professional installation or tuning needed?
A: Direct bolt-on with no welding; professional install advised for optimal alignment, no ECU tuning required for daily driving.
Shipping & Handling
- Method: Ground shipping via UPS/FedEx
- Availability: In stock – ships same or next business day
- Packaging: Single oversized box, approx. 42″ L x 16″ W x 16″ H
- Weight: 28.5 lbs product weight; 35 lbs shipping





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