{"product_id":"high-performance-direct-for-bmw-120i-220i-320i-330i-420i-b46-exhaust-downpipe-made-of-304-stainless-steel","title":"Brushed SS304 High-Flow Downpipe for BMW 120i\/220i\/320i\/330i\/420i B46 2.0L Turbo","description":"\u003cdiv\u003e\u003ch3\u003eDESCRIPTION\u003c\/h3\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cdiv\u003e\u003cstrong\u003eCut Exhaust Backpressure \u0026amp; Improve Turbo Response for BMW B46 2.0L Turbo.\u003c\/strong\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv\u003eThis brushed‑finish SS304 high‑flow downpipe removes OEM exhaust restrictions to deliver sharper throttle response and richer sport‑oriented exhaust note. Built‑in woven flex mesh absorbs thermal expansion and engine vibration to prevent pipe cracking. Pre‑tapped OEM‑spec sensor bungs support factory sensor installation. CNC machined sealing flanges enable direct bolt‑on fitment, full installation hardware included .\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003ch3\u003eVEHICLE FITMENT\u003c\/h3\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBMW 1 Series 120i \u003c\/strong\u003e (2.0L B46 Turbo Engine)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBMW 2 Series 220i \u003c\/strong\u003e(2.0L B46 Turbo Engine)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBMW 3 Series 320i 330i \u003c\/strong\u003e(2.0L B46 Turbo Engine)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBMW 4 Series 420i\u003c\/strong\u003e(2.0L B46 Turbo Engine)\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003ch3\u003eKEY FEATURES\u003c\/h3\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy‑Duty SS304 Stainless Steel with Brushed Surface\u003c\/strong\u003e: Anti‑corrosion and heat resistant for long street \u0026amp; track use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized High‑Flow Internal Pipe Geometry\u003c\/strong\u003e: Reduce exhaust backpressure to enhance turbo spool and sport exhaust tone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt‑In Woven Flex Mesh Joint\u003c\/strong\u003e: Relieve vibration \u0026amp; thermal stress and prevent pipe cracking under aggressive driving.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre‑Tapped OEM‑Spec O2 Sensor Bungs\u003c\/strong\u003e: Perfectly match factory oxygen sensors for plug‑and‑play installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC Precision Machined Sealing Flanges\u003c\/strong\u003e: Flat seamless surface to fully avoid exhaust leakage after installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% OEM Direct Bolt‑On Fitment\u003c\/strong\u003e: Real chassis scan design without cutting modification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003ch3\u003eTECH SPECIFICATIONS\u003c\/h3\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Thick High Grade SS304 Stainless Steel with Brushed Surface\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Type\u003c\/strong\u003e: High‑Flow Performance Exhaust Downpipe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWelding Process\u003c\/strong\u003e: Handcrafted Full TIG Seamless Air‑Tight Welding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment Type\u003c\/strong\u003e: OEM Direct Bolt‑On Replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Engine\u003c\/strong\u003e: 2.0L B46 Turbo\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003ch3\u003eWHAT'S IN THE BOX\u003c\/h3\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cul\u003e\n\u003cli\u003e1 x Brushed SS304 High‑Flow Downpipe\u003c\/li\u003e\n\u003cli\u003eFull Set OEM Matching Installation Bolt Hardware Kit\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Wanmax Racing","offers":[{"title":"Default Title","offer_id":55102322966900,"sku":"WMR-BMW-120I-220I-320I-330I-420I-B46-20T-SS304-DP","price":230.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/7244\/2740\/files\/Hc627f90b5b4c4dcdb5810c6dc1ce9d17w.jpg?v=1786090215","url":"https:\/\/wanmaxracing.com\/products\/high-performance-direct-for-bmw-120i-220i-320i-330i-420i-b46-exhaust-downpipe-made-of-304-stainless-steel","provider":"Wanmax Racing","version":"1.0","type":"link"}