{"product_id":"m157-downpipes-and-exhaust-sl63","title":"M157 Downpipes and Exhaust, SL63","description":"\u003cp\u003e[ Expect delivery times of 8 weeks ] [ Needs ECU Tuning to run properly ] Weistec Engineering offers True Downpipes for M157 AMG and M278 powered vehicles. Replacing the small and restrictive factory downpipes delivers significant gains in power, throttle response, and exhaust tone.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine family:\u003c\/strong\u003e M157\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance:\u003c\/strong\u003e +183 HP, +252 TQ, Weistec 760 hp, 852 lb-ft, stock 577 hp, stock 600 lb-ft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 01-157-01222-1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eSL63 AMG Roadster (R231) 2012-2019\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eSold by Dyne Performance USA, an authorized dealer. Contact \u003ca href=\"mailto:sales@dyneperformance.us\"\u003esales@dyneperformance.us\u003c\/a\u003e for fitment confirmation, lead time, or installation.\u003c\/em\u003e\u003c\/p\u003e","brand":"Weistec","offers":[{"title":"Default","offer_id":56530569298060,"sku":"01-157-01222-1","price":4399.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/dyneperformance.us\/products\/m157-downpipes-and-exhaust-sl63","provider":"Dyne Performance USA ","version":"1.0","type":"link"}