{"product_id":"ams-performance-street-downpipe-gesi-catalytic-converter-toyota-mk5-supra","title":"AMS Performance Street Downpipe w\/ GESI Catalytic Converter for GR Supra A90\/A91","description":"\u003cp data-end=\"685\" data-start=\"351\"\u003eUnlock maximum performance, improved turbo spool, and a deeper exhaust tone with the AMS Performance Street Downpipe for the Toyota GR Supra A90\/A91 (MK5). Constructed from mandrel-bent 4.5” 304 stainless steel, this downpipe significantly reduces back pressure to improve turbo response, boost power, and enhance overall drivability.\u003c\/p\u003e\n\u003cp data-end=\"1072\" data-start=\"687\"\u003eEquipped with a GESI 49-state legal high-flow catalytic converter rated for 800+ HP, this downpipe delivers increased exhaust flow while maintaining emissions compliance outside of California. The CAD-engineered design ensures precise fitment and compatibility with both OEM and aftermarket cat-back exhaust systems—making it a must-have upgrade for daily-driven or modified GR Supras.\u003c\/p\u003e\n\u003cp data-end=\"1841\" data-start=\"1074\"\u003e\u003cstrong data-end=\"1102\" data-start=\"1074\"\u003eKey Features \u0026amp; Benefits:\u003c\/strong\u003e\u003cbr data-end=\"1105\" data-start=\"1102\"\u003e• Maximized turbo spool \u0026amp; power gains – Reduces back pressure\u003cbr data-end=\"1216\" data-start=\"1213\"\u003e• 49-state legal GESI catalytic converter – Rated for 800+ HP with emissions-friendly performance\u003cbr data-end=\"1316\" data-start=\"1313\"\u003e• 4.5” mandrel-bent 304 stainless steel – Smooth transitions \u003cbr data-end=\"1420\" data-start=\"1417\"\u003e• OEM \u0026amp; aftermarket exhaust compatible – 3.15” (80mm) outlet fits stock \u003cbr data-end=\"1520\" data-start=\"1517\"\u003e• Plug-and-play O2 sensor ports – OEM-style sensor location, no wiring jumpers needed\u003cbr data-end=\"1608\" data-start=\"1605\"\u003e• Deep, refined exhaust tone – Aggressive sound under throttle without harshness\u003cbr data-end=\"1691\" data-start=\"1688\"\u003e• Heat-resistant flex section – Allows for thermal expansion\u003cbr data-end=\"1777\" data-start=\"1774\"\u003e• RHD \u0026amp; LHD compatible – Engineered for perfect global fitment\u003c\/p\u003e\n\u003cp data-end=\"2013\" data-start=\"1843\"\u003e\u003cstrong data-end=\"1863\" data-start=\"1843\"\u003eVehicle Fitment:\u003c\/strong\u003e\u003cbr data-end=\"1866\" data-start=\"1863\"\u003e• Toyota GR Supra A90\/A91 (MK5) – B58 3.0L Turbo\u003cbr data-end=\"1917\" data-start=\"1914\"\u003e• Model Years: 2020, 2021, 2022, 2023, 2024\u003cbr data-end=\"1963\" data-start=\"1960\"\u003e• Compatible with stock and aftermarket exhausts\u003c\/p\u003e\n\u003cp data-end=\"2235\" data-start=\"2015\"\u003e\u003cstrong data-end=\"2035\" data-start=\"2015\"\u003eWhat’s Included:\u003c\/strong\u003e\u003cbr data-end=\"2038\" data-start=\"2035\"\u003e• AMS Performance 4.5” Stainless Steel Downpipe\u003cbr data-end=\"2088\" data-start=\"2085\"\u003e• 49-State Legal GESI Catalytic Converter (800+ HP rated)\u003cbr data-end=\"2148\" data-start=\"2145\"\u003e• Pre-installed O2 sensor ports\u003cbr data-end=\"2182\" data-start=\"2179\"\u003e• Flex section\u003cbr data-end=\"2199\" data-start=\"2196\"\u003e• Installation hardware and clamps\u003c\/p\u003e","brand":"AMS Performance","offers":[{"title":"Default Title","offer_id":50573822263610,"sku":"amsAMS.38.05.0001-2","price":2322.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/0570\/7066\/files\/AMS-Supra-Street-Downpipe-10.jpg?v=1753190255","url":"https:\/\/sequentialracing.com.au\/en-us\/products\/ams-performance-street-downpipe-gesi-catalytic-converter-toyota-mk5-supra","provider":"Sequential Racing","version":"1.0","type":"link"}