{"product_id":"3-stainless-steel-race-downpipes","title":"3\" Stainless Steel Race Downpipes","description":"The VRSF 3″ Stainless Steel Race Downpipes are engineered to enhance the performance of the 2008-2010 BMW 535xi equipped with the N54 engine. This upgrade is presented as a significant performance mod, promising gains of 20-25 HP and 25-30 TQ at the wheels when paired with a tune. By eliminating the restrictive OEM catalytic converters, these downpipes substantially reduce exhaust back pressure.\n\nThis reduction in back pressure directly contributes to quicker turbocharger spool times, a noticeable increase in overall power output, and a more aggressive, desirable exhaust tone. The design features a full 3-inch diameter piping that maintains this size up to the 2.5-inch flange, optimizing flow compared to designs that neck down sooner. The downpipes are hand-crafted from mandrel-bent, TIG-welded 304-grade stainless steel with smooth radius bends to further minimize turbulence and maximize flow.\n\nInstallation is facilitated by the included Grade 12 mounting hardware and gaskets. VRSF backs this product with a lifetime warranty covering defects and fitment.","brand":"VRSF 3\"","offers":[{"title":"Default Title","offer_id":52664104157496,"sku":"10602015","price":399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687538634.webp?v=1784333303","url":"https:\/\/store.motormia.co\/products\/3-stainless-steel-race-downpipes","provider":"MOTORMIA","version":"1.0","type":"link"}