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SKU: 12831013012 | UPC: 840232714852
BorgWarner SX-E Style Cover EFR-8374 Turbocharger Compressor Housing
BorgWarner SX-E style cover fits EFR-8374 turbochargers on performance vehicles including Mitsubishi Lancer Evolution and Subaru WRX STI models. This compact compressor housing uses 3 inch V-band inlet and 2 inch V-band outlet for smooth airflow in tight engine bays. It pairs with the EFR-8374 for reliable boost up to 700hp.
Key Features
- Compact SX-E Design: Smaller footprint clears hood lines and chassis on Evo STI WRX builds
- Ported Shroud: Minimizes compressor surge for quicker spool and consistent power delivery
- Investment Cast Aluminum: Lightweight at 4.2 lbs resists heat and maintains shape under boost
- 0.82 A/R Ratio: Balances response and top-end flow for 350-700hp street and track use
- Direct Bolt-On Fit: Matches EFR-8374 center section with factory tolerances for leak-free seal
Product Notes
- Special order item expect 5-7 business day lead time
- Inspect turbo center housing for matching SX-E mount before install
- Standard ground shipping via UPS or FedEx
Installation Notes
- Professional installation recommended.
- Torque V-band clamps to 8 ft-lbs using calibrated tool
- Requires EFR-8374 specific V-band clamps and gaskets sold separately
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2006 | Mitsubishi | Lancer | Evolution VIII IX |
| 2007-2016 | Mitsubishi | Lancer | Evolution X |
| 2002-2007 | Subaru | Impreza | WRX |
| 2004-2021 | Subaru | Impreza | WRX STI |
| 2015-2021 | Subaru | WRX | STI |
Why Choose BorgWarner?
- Decades of turbo engineering for OEM and racing teams worldwide
- Ball-bearing EFR series sets benchmark for durability and flow
- Precision machined components ensure zero play after thousands of miles
Frequently Asked Questions
-
Q: Will this cover fit my stock EFR-8374 turbo?
A: Yes direct OEM replacement for all EFR-8374 turbos requiring SX-E housing including those in Evo and STI kits -
Q: What material is the cover made from?
A: High-strength investment cast aluminum with reinforced ported shroud for heat resistance and weight savings -
Q: What warranty applies?
A: BorgWarner limited defect warranty covers manufacturing flaws when installed by certified shop
Shipping & Handling
- Method: Standard ground
- Availability: Special order ships within 5-7 business days
- Packaging: 12 x 10 x 8 inch box with foam inserts
- Weight: 4.2 lbs product 6 lbs shipped
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