Description
Upgrade your Toyota GR Supra with the AMS Performance Street Downpipe, engineered for enhanced performance, superior durability, and an exhilarating exhaust note. This 4.5” mandrel-bent downpipe is crafted from 304 stainless steel, ensuring maximum flow and reduced back pressure, allowing your turbo to spool quicker and deliver power more efficiently. The integrated GESI catalytic converter is EPA-compliant and rated for up to 800 horsepower, making it the ideal choice for street-driven and high-performance builds.
Key Features
- Superior Performance:
- Significantly lowers back pressure for increased power potential.
- Optimized exhaust flow improves turbo spool and throttle response.
- Premium GESI Catalytic Converter:
- 49-state legal high-flow catalyst.
- Designed to meet new vehicle emissions requirements.
- Rated to handle over 800 horsepower.
- Durable Construction:
- Heavy-gauge 304 stainless steel resists heat and cracking.
- 4.5” pipe transitions to a 3.5” flex section, maximizing exhaust velocity.
- Mandrel-bent tubing ensures smooth transitions for optimal flow.
- OEM-Grade Fitment:
- CAD-engineered and 3D-printed prototypes ensure perfect fit.
- Threaded O2 bungs for seamless integration with factory sensors.
- Bolt-on installation requires no cutting or modifications.
- Versatile Compatibility:
- 3.15” (80mm) outlet adapts to stock or aftermarket catback systems.
- Adjustable mounting bracket included for precise alignment.
Applications
- 2020 Toyota GR Supra (B58 3.0L Turbo Engine, LHD and RHD)
- 2021 Toyota GR Supra (B58H 3.0L Turbo Engine, USDM models only)
Kit Includes
- Fully Stainless Steel Downpipe with EPA-Compliant GESI Catalytic Converter
- Adjustable Mounting Bracket
- Detailed Installation Instructions
Performance Benefits
- Enhanced Exhaust Flow: CAD-engineered design reduces turbulence and maximizes flow.
- Improved Turbo Efficiency: Faster spool-up delivers quicker throttle response and consistent power.
- Exhilarating Exhaust Sound: A throaty note under wide-open throttle without unwanted drone.
Why Choose AMS Performance?
AMS is a leader in performance engineering, dedicated to providing high-quality products designed to maximize your vehicle's capabilities. The AMS Street Downpipe is thoroughly tested for durability, sound, and fitment to exceed your expectations. With unmatched craftsmanship and cutting-edge technology, AMS ensures that your Toyota GR Supra reaches its full potential.
Take Your GR Supra to the Next Level
Unlock the true potential of your 2020-2021 Toyota GR Supra with the AMS Performance Street Downpipe w/ GESI Catalytic Converter. Enjoy faster turbo spool, increased power, and a refined exhaust note—all in an EPA-compliant, bolt-on package. Perfect for enthusiasts who demand the best in performance and reliability.
