{"product_id":"4-5-inch-stainless-steel-downpipe-w-high-flow-cat","title":"4.5-Inch Stainless Steel Downpipe w\/ High-Flow Cat","description":"Introducing the VRSF Catted Downpipe, engineered to significantly reduce back pressure and enhance performance in your BMW B58-equipped vehicle. This upgrade is designed to replace the restrictive factory catalytic converter with a high-flow, 200-cell unit, resulting in faster turbo spool, increased power output, and a more aggressive exhaust note.\n\nConstructed from hand-crafted, TIG-welded 4.5-inch SS304 grade stainless steel, this downpipe features a CNC-machined flange for a smooth transition from the turbocharger to the mid-pipes. Its smooth radius bends are optimized to minimize turbulence and maximize flow. The downpipe is compatible with both the stock cat-back exhaust and most aftermarket cat-back systems.\n\nIt is backed by a lifetime warranty for the downpipe itself, though the warranty on the catted downpipe is limited to two years. For optimal performance gains, a tune is recommended, with estimated increases of 25-30hp.\n\nImportant Note: This product is not for sale or use in the state of California on any pollution-controlled vehicle, as per the California Air Resources Board (CARB) regulations.","brand":"VRSF 4.5\"","offers":[{"title":"Default Title","offer_id":52664103731512,"sku":"VRSF-B58-DP-G20","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687538656.jpg?v=1784333294","url":"https:\/\/store.motormia.co\/products\/4-5-inch-stainless-steel-downpipe-w-high-flow-cat","provider":"MOTORMIA","version":"1.0","type":"link"}