{"product_id":"carbon-smith-2020-2024-aprilia-rs660-dimpled-velocity-stacks-for-race-exhaust","title":"Carbon Smith 2020-2024 APRILIA RS660 DIMPLED VELOCITY STACKS FOR RACE EXHAUST","description":"\u003cp\u003e\u003cspan\u003e\u003cstrong class=\"x-el x-el-span c2-6j c2-4x c2-3 c2-cp c2-j c2-51 c2-cq\"\u003eOur 2020+ Aprilia RS660 Velocity Stacks are an amazing upgrade to boost performance on your new Aprilia RS660!\u003c\/strong\u003e  After several hundred dyno runs, 15 different velocity stack configurations, and 15 gallons of fuel, CarbonSmith has finally finished developing the perfect velocity stack configuration for your \u003cstrong class=\"x-el x-el-span c2-6j c2-4x c2-3 c2-cp c2-j c2-51 c2-cq\"\u003eRACE TRIM\u003c\/strong\u003e Aprilia RS660!  Changing the stock exhaust and OEM air filter allows for much different stoichiometric air\/fuel mixture allowing us to change the targeted resonant frequency resulting in MORE POWER!!  We found +2 hp gains at multiple spots in the RPM curve with a simple drop in test!  More gains are possible with full custom dyno tuning!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cem class=\"x-el x-el-span c2-6j c2-4x c2-3 c2-cp c2-j c2-6l c2-cq c2-cr\"\u003eTHIS KIT INCLUDES A COMBINATION LEFT AND RIGHT VELOCITY STACK DESIGNED FOR OPTIMUM AIR\/FUEL MIXTURE ACROSS THE ENTIRE RPM RANGE.\u003c\/em\u003e  \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cu class=\"x-el x-el-span c2-6j c2-4x c2-3 c2-cp c2-j c2-6l c2-cq c2-cs\"\u003e\u003cem class=\"x-el x-el-span c2-6j c2-4x c2-3 c2-cp c2-j c2-6l c2-cq c2-cr\"\u003eDIMPLE DESIGN CREATES ADDITIONAL TQ AND HP AT HIGH SPEED.\u003c\/em\u003e\u003c\/u\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cu class=\"x-el x-el-span c2-6j c2-4x c2-3 c2-cp c2-j c2-6l c2-cq c2-cs\"\u003eMANUFACTURED WITH NYLON EMBEDDED CARBON FIBER REINFORCED WITH CONTINUOUS CARBON FIBER.  THIS MAKES THEM EXTREMELY STRONG, LIGHTWEIGHT, YET FLEXIBLE AND VERY RESISTANT TO HEAT AND CHEMICALS.  THESE SHOULD ONLY BE INSTALLED BY A PROFESSIONAL.\u003c\/u\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eINCLUDES LEFT AND RIGHT STACK SET\u003c\/li\u003e\n\u003cli\u003eUSES OEM HARDWARE FOR INSTALLATION\u003c\/li\u003e\n\u003cli\u003eRESULTS WILL VARY DEPENDING ON ENGINE BUILD AND TUNING CAPABILITIES\u003c\/li\u003e\n\u003cli\u003eNO HEAT DEFLECTION UNDER 300 DEGREES F\u003c\/li\u003e\n\u003cli\u003eWILL NOT DEFORM FROM HARSH RACE FUELS OR NITROUS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cem class=\"x-el x-el-span c2-6j c2-4x c2-3 c2-cp c2-j c2-6l c2-cq c2-cr\"\u003eIn order to maintain our extremely high standard of quality products, CarbonSmith VELOCITY STACKS are not available in mass quantities and are made to order.  Each KIT takes over\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"x-el x-el-span c2-6j c2-4x c2-3 c2-cp c2-j c2-51 c2-cq\"\u003e18\u003c\/strong\u003e\u003cem class=\"x-el x-el-span c2-6j c2-4x c2-3 c2-cp c2-j c2-6l c2-cq c2-cr\"\u003e\u003cstrong class=\"x-el x-el-span c2-6j c2-4x c2-3 c2-cp c2-j c2-51 c2-cq\"\u003e\u003cspan\u003e \u003c\/span\u003ehours\u003c\/strong\u003e\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003e\u003cem class=\"x-el x-el-span c2-6j c2-4x c2-3 c2-cp c2-j c2-6l c2-cq c2-cr\"\u003eof print time and are\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003e\u003cem class=\"x-el x-el-span c2-6j c2-4x c2-3 c2-cp c2-j c2-6l c2-cq c2-cr\"\u003e\u003cstrong class=\"x-el x-el-span c2-6j c2-4x c2-3 c2-cp c2-j c2-51 c2-cq\"\u003eMADE TO ORDER\u003c\/strong\u003e\u003c\/em\u003e\u003cem class=\"x-el x-el-span c2-6j c2-4x c2-3 c2-cp c2-j c2-6l c2-cq c2-cr\"\u003e, therefore your patience is very much appreciated.\u003c\/em\u003e\n\u003c\/blockquote\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Carbon Smith","offers":[{"title":"Default Title","offer_id":46763209785573,"sku":"RS660DIM","price":300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0682\/5646\/5125\/files\/rs_w_1200_h_1200_50.webp?v=1747266100","url":"https:\/\/hhrperformance.com\/products\/carbon-smith-2020-2024-aprilia-rs660-dimpled-velocity-stacks-for-race-exhaust","provider":"HHR Performance","version":"1.0","type":"link"}