{"product_id":"n54-3-cast-stainless-steel-downpipe","title":"N54 3\" Cast Stainless Steel Downpipe","description":"The VRSF N54 3″ Cast Stainless Steel Downpipe Upgrade is engineered to be the best bang-for-your-buck modification for the N54 engine in the BMW 135i and 335i. By replacing the restrictive factory catalytic converters, these downpipes significantly reduce exhaust back pressure. This allows for quicker turbo spool, a noticeable increase in horsepower and torque, and a more aggressive exhaust note.\n\nEach downpipe is meticulously hand-crafted from SS304 stainless steel, featuring mandrel-bent tubing and tig-welded construction for maximum durability and flow. The 3″ diameter design extends fully to the 2.5″ flange, ensuring a consistent path for exhaust gases. A CAD\/CAM-designed cast bell mouth provides a seamless transition from the turbocharger outlet. The available finishes include a standard Brushed Finish or a Cerakote High Temp Coating, capable of withstanding temperatures up to 1800F. Mounting hardware and mid-pipe gaskets are included with each kit.\n\nThis downpipe upgrade is designed to add approximately 20-25 HP and 25-30 TQ to the wheels when paired with a DME remap. The product is available in two configurations: 'Track Limited Racing Downpipes' for maximum flow and 'High Flow Catted Downpipe' for reduced emissions. VRSF offers a lifetime warranty against defects and fitment. Note that the catted version is limited to LHD fitments.\n\nThis item fits the following BMWs: 2007 – 2010 E90\/E91\/E92\/E93 BMW 335i N54, 2011 – 2013 E92 BMW 335is N54, 2008 – 2010 E82\/E88 BMW 135i N54, and 2011 – 2012 E82\/E88 BMW 1M N54.","brand":"VRSF","offers":[{"title":"Default Title","offer_id":52689653891384,"sku":"VRSF-3-N54-TRACK-DP","price":529.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687406871.jpg?v=1784908674","url":"https:\/\/store.motormia.co\/products\/n54-3-cast-stainless-steel-downpipe","provider":"MOTORMIA","version":"1.0","type":"link"}