SKU: 215X01
Subaru STI 6MT Stage 1 Drivetrain Package
The 215X01 Stage 1 Drivetrain Package is the best entry-level upgrade for Subaru WRX STI owners with 6-speed manual transmissions seeking smoother shifting and improved reliability under moderate power increases. This complete kit combines proven components to address common weak points in the STI drivetrain while maintaining daily drivability and street performance.
Key Features
- Smooth Shifting: Upgraded shifter bushings and linkage for precise, positive gear engagement
- Clutch Performance: High-quality pressure plate and disc for increased torque capacity
- Driveline Reliability: Reinforced mounts and components reduce movement and wear
- Bolt-On Design: Direct replacement parts for straightforward installation
Specifications
| Specification | Detail |
|---|---|
| Part Number | 215X01 |
| Stage Level | Stage 1 |
| Transmission | 6-Speed Manual |
| Power Rating | Up to ~400-450 HP |
| Components | Clutch Kit, Shifter Bushings, Mounts, Hardware |
| Country of Origin | United States / Global Sourcing |
| Warranty | Limited |
Product Notes
- Complete Stage 1 package – designed for moderate power increases and daily driving
Installation Notes
- Estimated time: 8-12 hours, advanced difficulty, transmission removal required
- Professional installation recommended – proper clutch break-in procedure essential
This Part Fits
| Year | Make | Model | Notes |
|---|---|---|---|
| 2004-2021 | Subaru | Impreza WRX STI | 6MT Models |
Why Choose Stage 1 Drivetrain Package?
- Proven combination of components for reliable power handling and smooth operation
- Addresses common STI shifter and clutch issues with quality upgrades
- Ideal foundation for future power increases with balanced performance
Frequently Asked Questions
- Q: Does it include flywheel?
A: Typically lightweight flywheel included – confirm kit contents. - Q: Will it make shifting harder?
A: No, upgraded bushings improve precision while maintaining street feel. - Q: Is pedal feel changed?
A: Slightly heavier clutch engagement for better modulation. - Q: Does it require break-in?
A: Yes, follow manufacturer clutch break-in procedure for longevity.
Shipping & Handling
- Method: UPS/FedEx Ground
- Availability: In stock, ships same or next business day
- Packaging: Official protective box
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