{"product_id":"arm-motorsports®-12-16-bmw-228i-320i-328i-428i-n20b20-4-catless-down-pipe","title":"ARM Motorsports® (12-16) BMW 228i\/320i\/328i\/428i N20B20 4\" Catless Down Pipe","description":"\u003ch1\u003eCOMPATIBLE: (2.0L-N26B20)\u003c\/h1\u003e\n\u003ch1\u003e\n\u003cmeta charset=\"utf-8\"\u003e2014 - 2016 BMW 228i \u003c\/h1\u003e\n\u003ch1\u003e\n\u003cmeta charset=\"utf-8\"\u003e2014 - 2016 BMW 228i xDrive\u003c\/h1\u003e\n\u003ch1\u003e2012 - 2015 BMW 320i \u003c\/h1\u003e\n\u003ch1\u003e\n\u003cmeta charset=\"utf-8\"\u003e2012 - 2015 BMW 320i xDrive\u003c\/h1\u003e\n\u003ch1\u003e2012 - 2015 BMW 328i \u003c\/h1\u003e\n\u003ch1\u003e\n\u003cmeta charset=\"utf-8\"\u003e2012 - 2015 BMW 328i xDrive\u003c\/h1\u003e\n\u003ch1\u003e2013 - 2016 BMW 428i \u003c\/h1\u003e\n\u003ch1\u003e\n\u003cmeta charset=\"utf-8\"\u003e2013 - 2016 BMW 428i xDrive\u003c\/h1\u003e\n\u003cdiv\u003e\n\u003ch1\u003eHIGHLIGHTS\u003c\/h1\u003e\n\u003c\/div\u003e\n\u003ch2\u003e\n\u003cspan\u003e• Gain up to 17whp\/25wtq\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Faster Turbo Spool\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Improved Exhaust Note\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cdiv\u003e\u003cspan\u003e• Upgrade to Stage 2+ Tuning\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e• SS304 Stainless Steel\u003c\/span\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003e  \u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003ePROFILE\u003cbr\u003e\n\u003c\/h2\u003e\n\u003ch2\u003eThe ARM Motorsports N26 Downpipe is the best hardware upgrade to get the most power from your 228i, 320i, or 328i.  The N26 has a stock downpipe with a large catalyst that drastically restricts exhaust flow.  This limits not only the amount of power N26 can make on the stock tune, but also prevents upgrading to a stage 2 tune due to excessive back-pressure. \u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAn N26 downpipe upgrade is the first hardware upgrade every N26 owner should invest in.\u003c\/strong\u003e  Upgrading your downpipe unlocks the most power, increases turbo spool, allows you to run stage 2+ tuning, and improves the exhaust note of your N26 powered BMW. \u003c\/h2\u003e\n\u003ch2\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cimg alt=\"n26 downpipe\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0082\/6687\/4995\/files\/Untitled_1920_x_800_px_1024x1024.png?v=1739466941\"\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2\u003eCONSTRUCTION\u003c\/h2\u003e\n\u003ch2\u003eThe ARM N26 Catless Downpipe is built with mandrel bent\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSS304 stainless steel\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand backed by the\u003cspan\u003e ARM Limited lifetime warranty\u003c\/span\u003e.  The ARM N26 Downpipe starts with a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4\" diameter\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eat the precision CNC machined turbo v-band connection and gradually reduces to a 2.5\" diameter to optimize exhaust flow while matching up to the stock mid-pipe using the OEM midpipe clamp.\u003c\/h2\u003e\n\u003ch2\u003e\u003cimg alt=\"n26 downpipe\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0082\/6687\/4995\/files\/n26dp-4_1024x1024.jpg?v=1725636392\"\u003e\u003c\/h2\u003e\n\u003ch2\u003e By reducing the back-pressure on your turbocharger, the ARM N26 Downpipe prepares your 228i \/ 320i \/ 328i for higher boost tunes. Testing on our 328i with only a Stage 1 tune yielded a very respectable 17whp and 25wtq gain.  While switching to a Stage 2 tune gave it an additional 13whp and 12wtq,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ea total gain of 30whp and 38wtq over Stage 1 alone.\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003ch2\u003e\u003cimg alt=\"n26 downpipe\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0082\/6687\/4995\/files\/n26dp-5.jpg?v=1725636392\"\u003e\u003c\/h2\u003e\n\u003ch2\u003eIn addition to helping your N26 make more power and torque, it also opens up the otherwise tame exhaust note.  If you're running a stock midpipe and catback section you'll notice a substantial increase in volume under full throttle and a moderate increase in sound during part throttle.  Coupled with a midpipe or full exhaust your N26 can sound quite impressive.  The ARM N26 Downpipe connects to any aftermarket exhaust that is compatible with the stock N26 downpipe.  The ARM N26 Downpipe features two O2 sensor bungs to allow for reinstallation of the OEM oxygen sensors.\u003c\/h2\u003e\n\u003ch2\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0082\/6687\/4995\/files\/n26dp-2_1024x1024.jpg?v=1725636392\" alt=\"n26 downpipe\"\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003c\/h2\u003e\n\u003ch2\u003eWith the added power of tuning with the downpipe, you'll see increased IAT's.  Make sure you upgrade your intercooler to keep your newly acquired power gains.  We offer the perfect solution with our\u003cspan\u003e F-Series Intercooler.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2\u003eIN THE BOX\u003cbr\u003e\n\u003c\/h2\u003e\n\u003ch2\u003e\u003cspan\u003e• ARM N26 Downpipe\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch1\u003e\u003cstrong\u003eWARRANTY:\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/10secondracing.com\/pages\/arm-motorsports%C2%AE-product-warranty\"\u003e\u003cspan\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0030\/5315\/8515\/files\/ARMLOGO.png?v=1742155358\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"ARM Motorsports®","offers":[{"title":"Default Title","offer_id":41581260734558,"sku":"N26DP","price":172.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0030\/5315\/8515\/files\/Screenshot2025-03-24at7.16.17PM.png?v=1742858251","url":"https:\/\/10secondracing.com\/en-gb\/products\/arm-motorsports%c2%ae-12-16-bmw-228i-320i-328i-428i-n20b20-4-catless-down-pipe","provider":"10 Second Racing","version":"1.0","type":"link"}