Injen SS Cat-Back Exhaust

2020–2023 Toyota GR Supra L6-3.0L Turbo (A90/A91)

SES2300TT

Overview:

The Injen SS Cat-Back Exhaust system is engineered specifically for the 2020 to 2023 Toyota GR Supra equipped with the 3.0L turbocharged inline-six engine. Designed for enthusiasts seeking a perfect balance of enhanced performance, aggressive sound, and seamless installation, this exhaust system delivers a noticeable upgrade without compromising drivability. Featuring burnt titanium-look tips, it adds a distinctive visual flair while improving throttle response and reducing turbo lag.

Whether you are looking to increase horsepower or refine your Supra’s exhaust note, the Injen SS Cat-Back Exhaust offers a comprehensive solution that integrates effortlessly with your vehicle’s factory components.

Key Features:

This exhaust system combines advanced engineering with user-friendly design to maximize performance and sound quality:

• Dyno-proven power gains of 11 horsepower and 9 lb-ft of torque at the wheels
• Integrated exhaust valve for dual-mode operation: quiet normal mode and aggressive sport mode
• Stepped piping design maintains consistent flow rate for optimal performance and tone
• Dual oval, straight-through mufflers deliver exceptional sound and power output
• Oversized mandrel-bent 304 stainless steel tubing reduces airflow restriction
• Custom investment cast Y-pipe equalizes exhaust flow for improved efficiency
• Massive 3.50-inch front and mid-section tubing with 3.00-inch rear section tubing
• Dual 4.5-inch bolt-on burnt titanium-look exhaust tips for a striking finish
• V-band clamps and flanges for leak-free, quick installation
• Uses all factory mounting points and hangers for perfect fitment

Construction & Design:

Crafted from premium 304 stainless steel, the Injen SS Cat-Back Exhaust is built to withstand the rigors of high-performance driving while resisting corrosion and discoloration. The system features mandrel-bent tubing to ensure smooth exhaust flow without restrictions or turbulence. Hand-crafted and TIG welded with precision, this exhaust guarantees strength, durability, and a flawless fit.

The custom investment cast Y-pipe is engineered to balance exhaust pulses, enhancing both power delivery and exhaust tone. The burnt titanium-look tips not only provide a unique aesthetic but are also designed for bolt-on installation, maintaining the factory-style appearance with a performance edge.

Performance & Sound

The Injen SS Cat-Back Exhaust significantly improves throttle response and reduces turbo lag by optimizing exhaust flow. The integrated exhaust valve allows drivers to switch between a quiet, refined sound for daily driving and a race-inspired aggressive tone for spirited sessions. This dual-mode functionality ensures the exhaust remains versatile and enjoyable across all driving conditions.

With a dyno-proven increase of 11 horsepower and 9 lb-ft of torque, this exhaust system delivers measurable performance gains while producing a rich, deep exhaust note that enhances the driving experience without being overly intrusive.

Installation & Fitment:

Installation is straightforward and designed with the enthusiast in mind. The system uses all factory mounting locations and hangers, eliminating the need for cutting, drilling, or any vehicle modifications. Included V-band clamps and flanges ensure a secure, leak-free connection and simplify the installation process, allowing for a quick and hassle-free upgrade.

This exhaust is a direct fit for the 2020 through 2023 Toyota GR Supra models equipped with the 3.0L turbocharged inline-six engine (A90/A91 chassis codes).

What's Included:

• Injen SS Cat-Back Exhaust system (front, mid, and rear sections)
• Custom investment cast Y-pipe
• Dual oval straight-through mufflers
• Dual 4.5-inch burnt titanium-look bolt-on exhaust tips
• V-band clamps and flanges for installation
• Factory-style hangers and mounting hardware
• Integrated exhaust valve assembly (valve motor not included)

Ideal For:

This exhaust system is ideal for Toyota GR Supra owners who want to enhance their vehicle’s performance and sound without sacrificing daily drivability or requiring complex installation. It suits enthusiasts looking for a high-quality, durable exhaust upgrade that delivers both power gains and an aggressive exhaust note with the convenience of dual-mode sound control.

Emissions Note

This product is not an emissions-related part and can be used on emission-controlled vehicles without a CARB Executive Order number.

Injen is a performance intake and airflow brand best known for dyno-proven cold air intakes and intake systems built for enthusiast street and track builds. Their catalog spans intake kits, filters, and supporting components designed to increase airflow, sharpen throttle response, and add a more aggressive induction note.