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SKU: TS-SU-883-S
Torque Solution Stainless Axle-Back Exhaust 2015-2025 Subaru WRX / 2015-2021 STI
The Torque Solution TS-SU-883-S Stainless Axle-Back Exhaust is the best performance upgrade for 2015-2025 Subaru WRX and 2015-2021 WRX STI owners seeking deeper tone, improved exhaust flow, and a premium stainless steel system. Crafted from high-quality T304 stainless steel with mandrel-bent tubing and precision TIG welds, this axle-back delivers aggressive sound without excessive drone, noticeable power gains, and a clean, modern look with dual polished tips – ideal for daily driving, spirited street use, or track days on the VA/ VB WRX and VA STI platform.
Key Features
- T304 Stainless Steel Construction: Durable, corrosion-resistant material with mandrel bends for smooth flow
- Aggressive Sound Profile: Deeper, throatier exhaust note with minimal cabin drone
- Improved Flow & Performance: Larger diameter piping reduces backpressure for better throttle response and power
- Dual Polished Tips: 4" double-wall tips for a clean, aggressive rear appearance
- Direct Bolt-On Fit: OEM-style hangers and connections no modifications required
- Torque Solution Quality: Precision TIG welds and high flow design trusted in Subaru performance builds
Specifications
| Specification | Detail |
|---|---|
| Part Number | TS-SU-883-S |
| Material | T304 Stainless Steel |
| Tip Style | Dual 4" Polished Double-Wall |
| Compatibility | 2015-2025 Subaru WRX / 2015-2021 WRX STI |
| Installation | Direct Bolt-On (Uses Factory Hangers & Connections) |
| Country of Origin | United States |
| Warranty | Limited Lifetime (Torque Solution) |
| Shipping Weight | 15 lbs |
| Shipping Dimensions | 23.9 x 12.8 x 12.4 inches |
Product Notes
- Axle-back system – replaces factory mufflers and tips from the axle rearward
- Deeper, more aggressive tone without excessive interior drone – perfect balance for street/track
- Recommended with cat-back or full exhaust for maximum performance gains
Installation Notes
- Estimated time: 1-2 hours, moderate difficulty, basic hand tools required
- Direct bolt-on remove factory axle-back, install Torque Solution system, torque hangers and clamps
- Professional installation optional check for leaks and proper alignment after install
This Part Fits
| Year | Make | Model | Notes |
|---|---|---|---|
| 2015-2021 | Subaru | WRX STI | All Trims (Base, Limited, Launch Edition) |
| 2015-2025 | Subaru | WRX | All Trims (Base, Premium, Limited, GT, tS) |
Why Choose Torque Solution Stainless Axle-Back Exhaust?
- T304 stainless steel with mandrel bends delivers deeper tone, better flow, and long-term durability
- Dual 4" polished tips add aggressive rear styling while maintaining clean fitment
- Limited lifetime warranty trusted performance exhaust upgrade for Subaru WRX/STI owners
Frequently Asked Questions
-
Q: Will this axle-back fit my 2024 Subaru WRX?
A: Yes, Torque Solution TS-SU-883-S fits 2015-2025 Subaru WRX and 2015-2021 WRX STI. -
Q: Does it require any modifications?
A: No, direct bolt-on using factory hangers and connections. -
Q: How loud is it compared to stock?
A: Deeper and more aggressive tone with minimal interior drone perfect street/track balance. -
Q: What is the warranty?
A: Covered by Torque Solution Limited Lifetime Warranty built to last.
Shipping & Handling
- Method: UPS/FedEx Ground (Oversize)
- Availability: In stock - ships same or next business day
- Packaging: Secure protective packaging
- Weight: 15 lbs
Axle Back
Systems by Brand, Sound, and Vehicle Application Browse premium axle-back exhaust systems at Black Ops Auto Works, including performance-focused upgrades from trusted brands like MBRP, Borla, Corsa, aFe, Injen, REMARK, ISR Performance, Kooks, Torque Solution, and AWE. This collection is built for enthusiasts looking to improve exhaust sound, rear-section styling, and overall driving experience without replacing the full exhaust system. Whether you are upgrading a daily driver, muscle car, sport compact, truck, or SUV, our axle-back exhaust collection helps you find high-quality systems designed for aggressive tone, clean fitment, and long-term durability. Axle-Back Exhaust Systems for Sound, Style, and Performance Axle-back exhaust systems are a popular upgrade for drivers who want to change the rear section of the exhaust for a more distinctive tone and a more aggressive appearance. This collection supports shoppers searching for: Axle-back exhaust Axle-back muffler systems Perfor...
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Exhaust Systems
Black Ops Auto Works carries one of the largest selections of performance exhaust systems available online, with 7,700+ products covering cat-back exhausts, axle-back exhausts, turbo-back systems, downpipes, headers, mid-pipes, X-pipes, H-pipes, mufflers, resonators, catalytic converters, exhaust tips, and every component in between. Whether you're building a street car, a daily driver, a diesel truck, or a track build, the right exhaust upgrade is here. Shop by Exhaust System Type Cat-Back Exhaust Systems: The most popular performance exhaust upgrade. Replaces everything from the catalytic converter back for improved sound, better flow, and premium tip styling. Available in single exit, dual exit, and quad exit configurations. Axle-Back Exhaust Systems: A simpler bolt-on that replaces the rear section from the axle back. Best for drivers who want an improved exhaust note and cleaner tip appearance without a full system swap. Headers and Manifolds: Long tube headers and shorty h...
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Torque Solution
Welcome to the Torque Solution collection, where we specialize in high-performance products engineered to enhance your vehicle's engine performance and reliability. Our curated selection is designed for enthusiasts who demand the best in torque management and efficiency. Why Choose Torque Solution Products? Performance Enhancement: Boost your engine's power and efficiency. Durability: Crafted from high-quality materials to withstand extreme conditions. Precision Engineering: Designed for a perfect fit and optimal function. Expert Support: Our team is here to assist you with any questions and guidance. Featured Products in the Torque Solution Collection Torque Solution Engine Mounts Torque Solution Boost Controllers Torque Solution Turbo Kits Torque Solution Performance Exhausts Experience the Torque Solution Difference Upgrading your vehicle with our Torque Solution products means you are investing in quality and performance. Whether you're on the track or just driving...
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