Injen SS Race Series Cat-Back Exhaust

2020–2023 Toyota GR Supra 3.0L Turbo Inline-6

SES2300RS

Overview:

The Injen SS Race Series Cat-Back Exhaust is a high-performance exhaust system engineered specifically for the 2020 to 2023 Toyota GR Supra equipped with the 3.0L turbocharged inline-six engine. Designed to complement the Supra’s aggressive styling and dynamic performance, this exhaust system delivers a race-inspired sound and enhanced power output. It is ideal for enthusiasts seeking to elevate their Supra’s auditory presence and throttle response without compromising durability or fitment.

By replacing the factory mufflers, resonators, and valves, the Injen Race Series exhaust offers a significant weight reduction and a more direct exhaust flow. This system is crafted to provide a crisp, clean idle tone and an aggressive roar under load, perfectly matching the Supra’s sporty character.

Key Features:

The Injen SS Race Series Cat-Back Exhaust combines advanced engineering with race-inspired design elements to deliver superior performance and sound quality. Key features include:

• Race exhaust design that eliminates all factory mufflers, resonators, and valves for maximum weight reduction and sound enhancement
• No-tip racing design utilizing oversized 3.50-inch mandrel-bent tubing throughout the entire length
• Dyno-proven gains of 10 horsepower and 11 lb-ft of torque at the wheels
• Handcrafted and TIG welded construction for exceptional strength and durability
• Over 20 pounds lighter than the stock exhaust system, improving overall vehicle dynamics
• V-band clamps for a simple, leak-free installation process
• Uses all factory mounting locations with factory-style hangers for a perfect fit
• Includes all necessary hardware for hassle-free installation
• Designed to increase throttle response and reduce turbo lag
• Race-inspired single-exit exhaust design that enhances the Supra’s aggressive aesthetic

Construction & Design:

The Injen SS Race Series Exhaust is constructed from premium 304 stainless steel, known for its corrosion resistance and long-lasting durability. The tubing is mandrel-bent to maintain consistent diameter and optimize exhaust flow, minimizing restrictions and turbulence. Each system is meticulously handcrafted and TIG welded to ensure structural integrity and a flawless finish. The use of V-band clamps not only simplifies installation but also guarantees a secure, leak-free connection.

Designed and manufactured in Pomona, California, this exhaust system reflects Injen’s commitment to quality and performance engineering tailored specifically for the Toyota GR Supra platform.

Performance & Sound

The Injen Race Series Cat-Back Exhaust transforms the Supra’s exhaust note into a refined yet aggressive soundtrack. At idle, it produces a deep, clean rumble that commands attention without being intrusive. When accelerating or pushing the engine to its limits, the exhaust delivers a sharp, race-inspired roar that enhances the driving experience. The system’s design also contributes to improved throttle response and reduced turbo lag, allowing for quicker power delivery and a more engaging drive.

Dyno testing confirms a power increase of 10 horsepower and 11 lb-ft of torque at the wheels, making this exhaust a performance upgrade that delivers measurable gains.

Installation & Fitment:

The Injen SS Race Series Cat-Back Exhaust is designed for a direct bolt-on installation using all factory mounting points and hangers. No modifications or cutting are required, ensuring a straightforward and secure fit. The included hardware and V-band clamps facilitate a leak-free assembly, making it suitable for enthusiasts who prefer a clean and professional installation.

This exhaust system fits the Toyota GR Supra models from 2020 through 2023 equipped with the 3.0L turbocharged inline-six engine (A90/A91 chassis codes).

What's Included:

• Injen SS Race Series Cat-Back Exhaust System
• V-band clamps for secure connections
• Factory-style hangers and mounting hardware
• Installation instructions

Ideal For:

This exhaust system is perfect for Toyota GR Supra owners who want to enhance their vehicle’s performance and sound without sacrificing quality or fitment. It is especially suited for enthusiasts who enjoy spirited driving, track days, or simply want to upgrade their Supra’s exhaust tone and throttle response with a race-inspired system.

Emissions Note

This product is not an emissions-related part and can be used on emission-controlled vehicles without a CARB Executive Order (EO) number. Please verify local regulations before installation.

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.