{"product_id":"bmw-b46-b48-4in-competition-downpipe","title":"BMW B46 \/ B48 Rvng 4\" Competition Downpipe (US Models)","description":"\u003cp\u003eRvng's Competition Series 4\" downpipe is built for the US-spec B46 four-cylinder turbo engine in F and G-series BMWs.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eThe mandrel-bent 4\" pipe gives a smoother path into the exhaust for faster spool and better throttle feel. Rvng quotes average gains of 14-16 whp and about 20 wtq on stock boost, and over 24 wtq with a tune.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e2016-2024 BMW 330i, 430i, 530i with the B46 (US spec)\u003c\/li\u003e\n\u003cli\u003eBMW X3 30i, X4 30i, Z4 30i \/ 20i (B46)\u003c\/li\u003e\n\u003cli\u003eSelect 230i models (some use a slip connection; check yours)\u003c\/li\u003e\n\u003cli\u003eNot the EU \/ Asia B48 version\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMandrel-bent 4\" piping\u003c\/li\u003e\n\u003cli\u003e100% stainless steel, TIG-welded\u003c\/li\u003e\n\u003cli\u003eCNC-machined turbo v-band flange\u003c\/li\u003e\n\u003cli\u003eUpgraded ball joint flange with straight-flow interior\u003c\/li\u003e\n\u003cli\u003eStainless flex section\u003c\/li\u003e\n\u003cli\u003eKeeps the factory ball-type v-band connection\u003c\/li\u003e\n\u003cli\u003eWorks with factory and aftermarket exhausts\u003c\/li\u003e\n\u003cli\u003eInstallation hardware included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eIntended for off-road and competition use only. Not legal for use on public roads in many areas. Rvng states this item is not for sale, installation or use on licensed vehicles in California. Confirm your year, model and US specification before ordering. A supporting tune is recommended.\u003c\/p\u003e","brand":"Rvng RaceWorks","offers":[{"title":"Uncoated","offer_id":46665963241557,"sku":"RVNG-DP-B46-B48-UNC","price":379.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/B46_downpipe_3.jpg?v=1794182623","url":"https:\/\/www.wrenchhaususa.com\/products\/bmw-b46-b48-4in-competition-downpipe","provider":"Wrench Haus","version":"1.0","type":"link"}