Rae-Motorsports Single Exit ThirST-Ti Edition Titanium Resonated Catback 2015-2021 WRX / STI | Titanium Construction | Performance Exhaust
Overview
The Rae-Motorsports Single Exit ThirST-Ti Edition Resonated Catback exhaust is a precision-engineered performance upgrade tailored for the 2015-2021 Subaru WRX and WRX STI. Crafted from premium titanium, this catback system enhances exhaust flow while delivering a resonated tone that strikes a balance between aggressive sound and daily drivability. It is designed for Subaru enthusiasts who want a lightweight, durable exhaust that improves throttle response and power potential without excessive cabin drone.
Rae-Motorsports focuses on material excellence and engineering precision, leveraging titanium’s superior strength-to-weight ratio and corrosion resistance. The ThirST-Ti Edition’s welded titanium tubing reduces overall vehicle weight compared to traditional stainless steel systems, while its resonated design is tuned to complement the unique character of the Subaru boxer engine. This approach ensures a high-quality exhaust that stands up to spirited driving and track use.
For WRX and STI owners, this catback offers real-world benefits including improved throttle response, modest power gains from reduced backpressure, and a refined exhaust note that enhances the driving experience. The single exit layout also improves rear styling with a brushed titanium finish and burnt tips, maintaining OEM+ fitment quality and seamless integration with factory components. This system supports further tuning and bolt-on modifications, making it an excellent choice for both street and track-focused Subaru enthusiasts.
Features & Specifications
This Rae-Motorsports Single Exit ThirST-Ti Edition Titanium Resonated Catback exhaust is engineered for 2015-2021 Subaru WRX and WRX STI models and features a lightweight titanium construction. Constructed from premium titanium, it delivers weight savings and durability for Subaru enthusiasts seeking enhanced exhaust flow and a balanced sound profile.
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Brand: Rae-Motorsports
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Product: Single Exit ThirST-Ti Edition Titanium Resonated Catback
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Part Number: VA-THRST-TI-SINGLE-DRIVER-RES-BRNT
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Fitment: 2015-2021 Subaru WRX, 2015-2021 Subaru WRX STI
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Material: Titanium
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Finish: Brushed titanium with burnt tips
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Construction: Welded titanium tubing
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Origin: Made in USA
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Exhaust Type: Resonated catback
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Exit Style: Single exit
Key Benefits
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Performance: Reduced backpressure improves throttle response and power potential on WRX and STI platforms.
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Weight Savings: Titanium construction significantly reduces exhaust system weight compared to stainless steel alternatives.
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Sound Quality: Resonated design balances aggressive exhaust tone with minimized drone for daily driving comfort.
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Durability: Titanium resists corrosion and heat damage, ensuring long-lasting performance under demanding conditions.
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Fitment: Precision-engineered for direct bolt-on installation with OEM+ fitment and finish.
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Aesthetics: Brushed titanium finish with burnt tips adds a distinctive, high-end look to the rear of the vehicle.
What's Included
- 1× Rae-Motorsports Single Exit ThirST-Ti Edition Titanium Resonated Catback
- Mounting hardware for bolt-on installation
Installation & Compatibility
Installation of the Rae-Motorsports ThirST-Ti Edition catback is generally straightforward for enthusiasts with basic mechanical skills, utilizing factory mounting points and hardware. No special tools beyond standard hand tools are typically required. Professional installation is recommended for those unfamiliar with exhaust work to ensure proper fitment and sealing. This exhaust is designed specifically for 2015-2021 Subaru WRX and WRX STI models; verify your vehicle’s year and trim before purchase. While tuning is not required, it is recommended if combined with other performance modifications to maximize gains and ensure optimal engine management.
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Professional Installation: Recommended for best results
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Modifications Required: None, direct bolt-on fitment
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Verify Compatibility: Confirm fitment for your specific year and trim level
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