![Perrin Performance [15-21 Subaru WRX, STI] Rear Shock Tower Brace - Neon Yellow](http://turbotechperformance.com/cdn/shop/files/perrin-performance-15-21-subaru-wrx-sti-rear-shock-tower-brace-neon-yellow-2312887.jpg?v=1785361356&width=800)
![Perrin Performance [15-21 Subaru WRX, STI] Rear Shock Tower Brace - Neon Yellow](http://turbotechperformance.com/cdn/shop/files/perrin-performance-15-21-subaru-wrx-sti-rear-shock-tower-brace-neon-yellow-3043876.jpg?v=1785361356&width=800)
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![Perrin Performance [15-21 Subaru WRX, STI] Rear Shock Tower Brace - Neon Yellow](http://turbotechperformance.com/cdn/shop/files/perrin-performance-15-21-subaru-wrx-sti-rear-shock-tower-brace-neon-yellow-3695892.jpg?v=1785361357&width=800)
![Perrin Performance [15-21 Subaru WRX, STI] Rear Shock Tower Brace - Neon Yellow](http://turbotechperformance.com/cdn/shop/files/perrin-performance-15-21-subaru-wrx-sti-rear-shock-tower-brace-neon-yellow-6051279.jpg?v=1785361357&width=800)
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Perrin Performance [15-21 Subaru WRX, STI] Rear Shock Tower Brace - Neon Yellow
PERRIN Rear Shock Tower Brace for 2015‑2021 WRX/STI is a chassis-enhancing suspension component engineered to stiffen the rear shock mounting area on compatible Subaru WRX and STI models. Designed with precision and durability in mind, it ties the rear shock towers together to reduce flex and support more predictable handling.
- Improves chassis rigidity and helps reduce flex under load for more consistent cornering behavior
- Transfers loads between shock towers to enhance steering precision and can help mitigate understeer tendencies
- CNC-machined aluminum mounting feet with black anodized finish for strength and corrosion resistance
- Lightweight aluminum bar maintains strength without excess mass
- Supplied with all necessary mounting hardware and installation instructions
This rear shock tower brace fits the 2015–2021 WRX and STI models and is intended for enthusiasts looking to tighten up rear suspension response and chassis behavior with a straightforward bolt-on addition.
Ships within 1-2 business days.
100% Genuine Parts
Fitment Guaranteed
![Perrin Performance [15-21 Subaru WRX, STI] Rear Shock Tower Brace - Neon Yellow](http://turbotechperformance.com/cdn/shop/files/perrin-performance-15-21-subaru-wrx-sti-rear-shock-tower-brace-neon-yellow-2312887.jpg?v=1785361356&width=800)
Perrin Performance [15-21 Subaru WRX, STI] Rear Shock Tower Brace - Neon Yellow
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FAQs
Please read our FAQs page to find out more.
Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.


