{"product_id":"e-a6r1","title":"Optional Header (SS)","description":"\u003cp\u003eAimed at owners looking for increased performance and weight reduction, these high-grade stainless-steel headers have a larger tube diameter than standard and, unlike the standard version, there is no catalytic converter. Developed for use on closed-course competition circuits only, this racetrack-oriented part reduces weight by 2.9 kg (56.8%) over the stock headers. When tested on the Akrapovi_ dyno in combination with a Slip-On Line (Titanium) and compared to an Aprilia Tuareg 660 with a standard stock system, it produced an additional 4.2 kW (5.7 hp) of power at 9,500 rpm and a torque gain 4.9 Nm at 4,800 rpm, while offering a deep racing sound. No remapping is needed for this plug-and-play upgrade.When installed it renders the EC\/ECE type-approval of Slip-On Line (Titanium) invalid.THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.\u003c\/p\u003e","brand":"DennisPowerSport","offers":[{"title":"Default Title","offer_id":47503836053780,"sku":"E-A6R1","price":678.6,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.dennispowersport.com\/products\/e-a6r1","provider":"DennisPowerSport","version":"1.0","type":"link"}