GReddy Supreme SP Exhaust System

2013–2016 Scion FR-S, 2017–2020 Toyota 86, 2013–2020 Subaru BRZ

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Overview:

The GReddy Supreme SP Exhaust System is a premium cat-back exhaust designed specifically for the Scion FR-S (2013–2016), Toyota 86 (2017–2020), and Subaru BRZ (2013–2020). Building on the legacy of the original GReddy SP, the Supreme SP represents the pinnacle of GReddy’s exhaust technology, delivering a perfect balance of performance, sound, and style. This system is ideal for enthusiasts seeking a refined exhaust note, improved horsepower and torque, and a high-quality build that complements their vehicle’s sporty character.

With a focus on precision engineering and durability, the Supreme SP exhaust enhances your car’s driving experience without compromising daily usability or fitment. It is backed by a limited lifetime warranty, underscoring GReddy’s commitment to quality and customer satisfaction.

Key Features:

The GReddy Supreme SP Exhaust System incorporates advanced design elements and premium materials to optimize performance and aesthetics. Key features include:

• Hand TIG-welded 304 stainless steel construction for superior strength and corrosion resistance
• New double-wall GReddy exhaust tips with a stylish 4.5-inch round design
• Straight-through and directed straight-through chambered muffler designs for enhanced exhaust flow and a refined sound
• 2.50-inch diameter piping optimized for performance gains without excessive drone
• Classic GReddy street performance styling that complements the vehicle’s body lines
• Excellent fitment engineered specifically for each model to ensure hassle-free installation
• Limited lifetime warranty covering the entire exhaust system from flange to tip
• Free shipping included for added convenience

Construction & Design:

The Supreme SP exhaust system is crafted from premium 304 stainless steel, known for its durability and resistance to rust and corrosion. Each component is meticulously hand TIG-welded, ensuring strong, precise joints that withstand the rigors of spirited driving and environmental exposure. The system features a new double-wall exhaust tip design that not only enhances visual appeal but also helps maintain cooler tip temperatures and reduces discoloration over time.

The muffler employs a combination of straight-through and chambered designs to optimize exhaust flow while refining the exhaust note. This engineering approach reduces backpressure, allowing the engine to breathe more freely and deliver improved performance without sacrificing a comfortable sound profile suitable for daily driving.

Performance & Sound

The GReddy Supreme SP exhaust system delivers measurable performance improvements, including an increase of approximately 6 horsepower and 7.5 ft-lbs of torque. These gains contribute to a more responsive throttle and enhanced driving dynamics. The exhaust note is carefully tuned to provide a sporty yet refined sound, with sound levels measured at L82 / R83 dB(a) at 4500 RPM, striking a balance between aggressive tone and street-friendly volume.

Installation & Fitment:

Designed as a direct bolt-on cat-back system, the Supreme SP exhaust installs easily using the factory mid-pipe connection. It requires reusing the factory doughnut gasket and spring bolts for the mid-pipe flange, ensuring a secure and leak-free fit. No modifications or additional piping coatings are necessary, and all required installation hardware is included. The system’s precise engineering guarantees excellent fitment that aligns perfectly with the vehicle’s body lines and factory mounting points.

What's Included:

• GReddy Supreme SP cat-back exhaust system
• Double-wall stainless steel exhaust tips (two, 4.5-inch round)
• Installation hardware
• Limited lifetime warranty documentation

Ideal For:

This exhaust system is perfect for Scion FR-S, Toyota 86, and Subaru BRZ owners who want to enhance their vehicle’s performance and sound without compromising daily drivability or factory aesthetics. It suits enthusiasts looking for a high-quality, durable exhaust upgrade that delivers noticeable horsepower and torque gains, a refined yet aggressive exhaust note, and a stylish appearance that complements their sports coupe’s design.

GReddy is a Japanese automotive aftermarket company specializing in performance tuning parts, including exhaust systems, turbo kits, cooling systems, and electronic components for both Japanese and American vehicles. Their products are designed to enhance vehicle performance, targeting builds that require reliable upgrades to improve power, throttle response, and exhaust sound. Enthusiasts choose GReddy for their engineered solutions that balance performance and reliability, suitable for both daily drivers and dedicated race cars.