Toyota GR Supra Valved Catback Exhaust | WSTN Performance (B58 A90/A91)

B58 Unleashed. Valved Catback with Carbon Fibre Tips for the GR Supra. The Toyota GR Supra's B58 inline-six is one of the most tuner-friendly engines of the modern era and the factory exhaust is its biggest limitation. WSTN Performance's valved catback for the A90/A91 Supra features electronically-controlled valves and signature carbon fibre exhaust tips, delivering a track-ready tone on demand while looking the part from every angle. Built to order from 304 stainless steel, quality-checked in Perth, and dispatched worldwide. The B58 deserves better than the factory. This is it. Why Upgrade? ✅ Valved Sound Control: Open for full B58 aggression close for refined highway cruising. One system, two personalities. ✅ Carbon Fibre Tips: Signature carbon fibre exhaust tips add premium visual impact from the rear. ✅ B58 Optimised: Engineered specifically for the A90/A91 Supra's 3.0T inline-six maximum flow at every RPM. ✅ Performance Gains: Reduced backpressure improves turbo spool and throttle response across the rev range. ✅ Direct Bolt-On: No cutting, no modification. Fits A90 and A91 mounting points directly. Key Features & Specs Material: 304 Stainless Steel corrosion resistant, built to last Construction: Precision mandrel-bent, TIG-welded joints System: Valved catback electronically controlled valve system Tips: Carbon fibre exhaust tips premium visual finish Finish: Brushed 304 stainless body with carbon fibre tips Fitment & Compatibility ✔️ Toyota GR Supra (A90) 2019–2023 (B58, 3.0T Inline-Six) ✔️ Toyota GR Supra (A91) 2022–2023 (B58, 3.0T Inline-Six) Direct OEM-spec fitment for A90 and A91 GR Supra platforms. No modification required. What's In the Box 1 x WSTN Performance Valved Catback Exhaust System with Carbon Fibre Tips Installation Difficulty: 2/5 Bolt-on, basic hand tools required Time Estimate: 1–2 Hours Mounting Type: Direct bolt-on to factory cat-converter outlet Warranty / Shipping DISCLAIMER WSTN Performance components are designed for track and competition use. To protect your build and ensure a perfect finish, we recommend professional installation by a certified specialist/workshop. It is the buyer's responsibility to ensure modifications comply with local regulations. WARRANTY We stand behind every product we sell. All WSTN Performance products carry a 1 year WSTN Performance warranty as standard. This covers any manufacturing defects, giving you total peace of mind that your upgrade is built to last. View our full Warranty policy page here. SHIPPING We offer tracked worldwide shipping on our entire catalogue. Products marked as “Built to Order” are handmade in 3–5 weeks (check the product page as lead times may vary), personally dispatched from our Perth WA facility. View our full Shipping policy page here. RETURNS We offer returns on all products if items are damaged or there is something wrong. If we ever make a mistake, we'll cover the return shipping to make it right. View our full Return policy page here. SUPPORT Need a hand with fitment, shipping, or a return? Our Perth-based team is here to help you get your build perfect. Email: contact@wstnperformance.com Sound Clip