{"product_id":"b58-catted-downpipe-4-50-stainless-steel","title":"B58 Catted Downpipe, 4.50\" Stainless Steel","description":"The Active Autowerke Supra MKV Signature Catted Downpipe is engineered to unleash the potential restricted by the factory downpipe in the B58 engine. It features 4.5\" diameter 304 stainless steel piping, TIG welded for durability, which tapers to 3.5\" with a stainless flex joint and then to 80mm to mate with the OEM exhaust. This design aims to reduce exhaust back pressure, promoting quicker turbo spool and increased horsepower and torque.\n\nThis downpipe includes a 4.5\" high-flow GESI catalytic converter. This G-Sport Ultra High Output converter is EPA registered and compliant in 49 states, designed to prevent Check Engine Lights (CEL) and pass emissions tests while maintaining high flow capacity for engines producing 500 to 850 horsepower. It features a 400 cell per square inch catalyst and 304 stainless steel construction. The catalytic converter is rated for temperatures up to 1500°F and reaches operational efficiency within 9 seconds of startup.\n\nA key benefit of this downpipe is that NO PERFORMANCE TUNE IS NEEDED. Installation is straightforward, with no cutting or welding required. The product is made in Miami, Florida, and includes a 5 Year \/ 50,000 Mile Warranty on the shell and tube ends, and a 2-year \/ 25,000-mile warranty on the catalytic core. Note that the warranty is void if the car has excessive burble beyond stock, as this can damage the catalytic core.","brand":"Autowerke","offers":[{"title":"Default Title","offer_id":52687035302200,"sku":"11-564","price":1499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/660185240.webp?v=1784879763","url":"https:\/\/store.motormia.co\/products\/b58-catted-downpipe-4-50-stainless-steel","provider":"MOTORMIA","version":"1.0","type":"link"}