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SKU: BXSS-50021-RR
BLOX Racing 2015+ Subaru WRX STi Rear Strut Tower Bar w/ Holes
BLOX Racing rear strut tower bars connect the upper strut towers to build chassis rigidity on 2015-2021 Subaru WRX/STI and 2015-2019 Legacy (rear only). This setup sharpens steering response, reduces body roll and improves load transfer for better cornering control. Crafted from solid extruded AL6061 aluminum, the bar with strategic holes delivers strength at reduced weight for direct performance gains.
Key Features
- Solid AL6061 Construction: 100% solid extruded aluminum unlike hollow competitors, providing unmatched rigidity for precise handling.
- Weight-Optimized Design: Precision holes reduce weight to 3.95 lbs (with hardware) while maintaining full structural strength.
- Chassis Reinforcement: Ties strut towers together to minimize flex, enhancing steering feedback and cornering stability.
- Laser-Cut Brackets: Powder-coated steel flanges ensure perfect fit and corrosion resistance for long-term durability.
- Bolt-On Installation: Direct fit with included hardware, no modifications needed for quick setup.
Product Notes
- Rear application only on Subaru Legacy models.
- Clean with mild soap and avoid abrasive cleaners to preserve finish.
- Ships securely in protective box to prevent damage.
Installation Notes
- Professional installation recommended.
- Bolt-on design takes 30-45 minutes with basic tools.
- Compatible with OEM hardware. all necessary bolts included.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2021 | Subaru | Impreza WRX | Base, Premium, Limited |
| 2015-2021 | Subaru | WRX STI | Base, Limited |
| 2015-2019 | Subaru | Legacy | 3.6R, GT (Rear Only) |
Why Choose BLOX Racing?
- Trusted JDM brand with motorsport-proven components.
- High-strength materials built for daily and track use.
- Engineered for exact chassis fit on Subaru VA platform.
Frequently Asked Questions
-
Q: Will this fit both WRX and STI models?
A: Yes, direct fit for all 2015-2021 Subaru WRX Base, Premium, Limited and WRX STI Base, Limited trims. -
Q: What material is the bar made from?
A: Extruded 6061-T6 aluminum bar that is fully solid with drilled holes for lightweight strength over hollow designs. -
Q: What is the warranty and install process?
A: Backed by BLOX Racing limited warranty. bolt-on install with included hardware completes in under an hour, no drilling required.
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Protective cardboard box, 42 x 8 x 6 inches
- Weight: 4.2 lbs (shipping weight)
BLOX Racing
BLOX Racing has built a strong following in the import and sport compact community since 2003 by delivering parts that meet or exceed OEM quality standards at prices that make building accessible. Every BLOX product is designed with ISO 9001-certified manufacturing processes and subjected to rigorous testing before release, ensuring fitment and reliability that matches the performance they advertise. Popular Upgrades BLOX Racing intake manifolds and throttle bodies are popular for Honda, Acura, and other sport compact platforms, delivering improved airflow and throttle response over stock components. Suspension components including adjustable end links, sway bars, and pillow ball mounts allow precise handling tuning for street and autocross use. Engine hardware — cam gears, valve train components, and timing chain kits — rounds out the BLOX catalog for builders pushing beyond stock engine parameters. What platforms does BLOX Racing support? BLOX Racing focuses primarily on Honda, Ac...
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