Description
The STILLEN Cat-Back Exhaust System for the 2014–2021 Toyota Tundra is engineered to improve horsepower, torque, throttle response, and exhaust sound while maintaining excellent drivability for both street and off-road use. Designed and manufactured in the USA, this system reflects STILLEN’s decades-long expertise in performance exhaust engineering.
Built to optimize exhaust flow, the STILLEN cat-back exhaust enhances overall engine efficiency, resulting in noticeable performance gains and stronger acceleration. The system delivers the signature STILLEN exhaust sound, producing a deep, throaty tone that remains refined during cruising while becoming aggressive at cold start and wide-open throttle.
Constructed from high-quality materials, this exhaust system is designed to withstand daily driving, towing, and off-road conditions. Precision engineering ensures proper fitment and durability, while the bolt-on design allows installation using basic hand tools with no permanent vehicle modification required.
With nearly 40 years of performance heritage, STILLEN continues to deliver proven upgrades that enhance both performance and driving enjoyment for Toyota Tundra owners.
Vehicle Fitment
Fits the following vehicles based on part number:
Part Numbers 509570 and 509571
- 2014–2021 Toyota Tundra
- CrewMax Cab
- Double Cab
- 5.5 ft bed
- 6.6 ft bed
Part Number 509572
- 2014–2021 Toyota Tundra
- Fits all cab configurations
- Fits all bed lengths
Verify your cab and bed configuration before selecting the correct part number.
Key Features and Benefits
- STILLEN cat-back exhaust system
- Designed and manufactured in the USA
- Improved horsepower, torque, and throttle response
- Optimized exhaust flow for enhanced engine performance
- Signature STILLEN deep, throaty exhaust tone
- Quiet during normal driving with aggressive sound under load
- Durable construction for street and off-road use
- Easy bolt-on installation with basic hand tools
- Engineered for long-term reliability
