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2022-2026 Subaru BRZ
2022-2026 Toyota GR86
The R1-Spec Single-Exit Catback Exhaust System is built for 2022+ Subaru BRZ and Toyota GR86 owners seeking maximum weight reduction, high exhaust flow, and clean, motorsport-inspired sound. Constructed entirely from high-grade titanium, this system features 2.5" mandrel-bent piping, a straight-through muffler, and a 4.5" slant-cut tip. Designed for performance and reliability, the layout minimizes restriction while offering your choice of resonated or non-resonated midpipe options.
Full titanium construction for ultra-lightweight performance
True 2.5" CNC mandrel-bent piping – no pie cuts
Straight-through muffler and 4.5" slant-cut exhaust tip
Resonated version available for more refined sound
Optimized flow path reduces backpressure and increases power
Optional bolt-in silencer (sold separately)
Direct fitment for 2022+ GR86 and BRZ only (not compatible with 2013–2021 models)
No Pie Cuts – Just Pure Flow
Unlike systems that rely on pie cuts for complex bends, the R1-Spec is precision-crafted with smooth mandrel bends. Pie cuts may look appealing to some but can compromise structural integrity and increase turbulence. This design prioritizes strength and performance over aesthetics.
Weld Integrity and Durability
Welds are common failure points in exhaust systems. More welds = more risk. By reducing the number of welds and avoiding unnecessary joints, this system minimizes weak points and ensures long-lasting durability under high-heat and vibration conditions.
Improved Flow, Reduced Turbulence
Every mandrel bend is smooth and consistent, helping to maintain velocity and reduce drag in the exhaust stream. Fewer interruptions in the piping layout translate directly to improved engine breathing, torque, and top-end power.
Whether you're building a street-tuned weekend car or a track-focused setup, the R1-Spec exhaust is designed for those who demand high performance without compromise. Lightweight, durable, and engineered for real gains—not just sound.
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