{"product_id":"bmw-g8x-s58-hydroflow-5in-downpipes","title":"BMW G80 M3 \/ G82 M4 \/ G87 M2 S58 Rvng HydroFlow 5\" Downpipes","description":"\u003cp\u003eRvng HydroFlow downpipes use a hydroformed 5\" inlet section for the S58 in the G80 M3, G82 \/ G83 M4 and G87 M2.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eMost S58 downpipes are 3\" or 3.5\". Rvng's 5\" inlet has about 104% more flow area than a 3.5\" pipe right where pressure is highest after the turbo, and the hydroformed body smooths the transition. Rvng measured +15.7 hp and +18.3 lb-ft over 3.5\" inlet downpipes on a stock tune.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e2020+ BMW G80 M3 RWD and xDrive, including Competition\u003c\/li\u003e\n\u003cli\u003e2020+ BMW G82 \/ G83 M4 RWD and xDrive, including Competition\u003c\/li\u003e\n\u003cli\u003e2023+ BMW G87 M2 RWD\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHydroformed 5\" inlet, about 178% more area than a 3\" downpipe\u003c\/li\u003e\n\u003cli\u003eSmooth hydroformed transitions to reduce turbulence\u003c\/li\u003e\n\u003cli\u003eStainless steel construction\u003c\/li\u003e\n\u003cli\u003eRace or 400-cell catted versions (the catted version carries the cat inside the 5\" section)\u003c\/li\u003e\n\u003cli\u003eUncoated or high-temp ceramic 1800 coating\u003c\/li\u003e\n\u003cli\u003eFits LHD and RHD with no modification\u003c\/li\u003e\n\u003cli\u003eMounting 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. The 400-cell version is not marketed as emissions legal. Tuning is recommended for best results; gains vary with fuel, tune and supporting mods.\u003c\/p\u003e","brand":"Rvng RaceWorks","offers":[{"title":"Uncoated SS304","offer_id":46665962553429,"sku":"RVNG-HYDRODP-S58-UNC","price":699.99,"currency_code":"USD","in_stock":true},{"title":"High Temp Ceramic 1800","offer_id":46665962586197,"sku":"RVNG-HYDRODP-S58-CK","price":859.99,"currency_code":"USD","in_stock":true},{"title":"400 Cell Catted","offer_id":46665962618965,"sku":"RVNG-HYDRODP-S58-400","price":1399.99,"currency_code":"USD","in_stock":true},{"title":"400 Cell Catted Ceramic 1800","offer_id":46665962651733,"sku":"sku-67579862220978","price":1599.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/07910893-41AC-4DAB-A9DD-387B427A3D5F.jpg?v=1794182618","url":"https:\/\/www.wrenchhaususa.com\/products\/bmw-g8x-s58-hydroflow-5in-downpipes","provider":"Wrench Haus","version":"1.0","type":"link"}