{"product_id":"r1-performance-package-for-sl500s-m113-r129-23hp-16lb-ft-my-1999-2002","title":"R1 Performance Package for SL500S | M113 | R129 | +23HP \/ +16LB-FT | MY 1999-2002","description":"\u003cp data-olk-copy-source=\"MessageBody\"\u003eR1 Performance Package for M113 Powered R129 SL500S. Includes ECU Upgrade and Carbon Fiber Air Box. Up to 23HP 26LB-FT\u003c\/p\u003e\n\u003cp\u003eThe R1 performance package for the Mercedes 500 series engine includes our proprietary ECU upgrade in addition to our full carbon fiber airbox upgrade which offers a larger volume of incoming air for better engine breathing and improved cylinder filling.\u003c\/p\u003e\n\u003cp\u003eThis combination that provides noticeable increases horsepower, torque and throttle response across the vehicles entire powerband while still maintaining daily driver reliability.  \u003c\/p\u003e\n\u003cp\u003eOur R1 Performance Package includes:\u003c\/p\u003e\n\u003cp\u003eRENNtech ECU Upgrade\u003cbr\u003eRENNtech Full Carbon Fiber Airbox\u003c\/p\u003e\n\u003cp\u003eSL500 (R129) Stock Performance:\u003c\/p\u003e\n\u003cp\u003e302 HP @ 5600 RPM; 339 LB-FT @ 2700 RPM\u003c\/p\u003e\n\u003cp\u003eModified Performance:\u003c\/p\u003e\n\u003cp\u003e 325 HP @ 5600 RPM; 365 LB-FT @ 3000-4600 RPM\u003c\/p\u003e\n\u003cp\u003ePlease Note:\u003c\/p\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli\u003e\u003cspan\u003eThe ECU Upgrade Requires a bench flash, therefore the ECU must be shipped to RENNtech Headquarters. \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThis upgrade requires a core exchange for the OEM airbox.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RENNtech Inc","offers":[{"title":"Default Title","offer_id":48646474924288,"sku":"PKG.129.113.500.R1","price":2980.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/9972\/5312\/files\/IMG_0057.jpg?v=1777107775","url":"https:\/\/store.renntechmercedes.com\/es\/products\/r1-performance-package-for-sl500s-m113-r129-23hp-16lb-ft-my-1999-2002","provider":"RENNtech Inc","version":"1.0","type":"link"}