{"product_id":"aprilia-rs660-tuono-660-jetprime-bell-mouths-velocity-stacks-kit","title":"Aprilia RS660 | TUONO 660 Jetprime Bell Mouths | Velocity Stacks Kit","description":"**Aprilia RS660 | TUONO 660 Jetprime Bell Mouth Velocity Stacks Kit**\u003cbr\u003e\u003cbr\u003eEasy fitment and power improvements throughout the RPM range even without any\u003cbr\u003efueling modifications [see dyno graph]\u003cbr\u003e\u003cbr\u003eThe Jetprime velocity stacks have been developed for the Aprilia RS 660\/TUONO\u003cbr\u003e660 to improve the air intake during the phases of opening the throttle.\u003cbr\u003e\u003cbr\u003eThe bell mouth shape allows a reduction in air turbulence during the suction\u003cbr\u003ephase, improves the air intake from inside the air box, facilitates the intake\u003cbr\u003eand reduces the response time of the engine especially when you have a fast\u003cbr\u003eopening of the throttle.\u003cbr\u003e\u003cbr\u003eThe shape and length of the velocity stack has been developed by Jetprime\u003cbr\u003edesign department to give improvements through the engine at different RPM, to\u003cbr\u003eincrease the suction strength and to improve the coverage at low engine\u003cbr\u003espeeds.\u003cbr\u003e\u003cbr\u003eThe velocity stack is mounted inside the air box and have been designed by\u003cbr\u003eJetprime and manufactured from aircraft quality 7075 T6 aluminium using some\u003cbr\u003eof the most modern CNC machinery available.\u003cbr\u003e\u003cbr\u003eJetprime Bell Mouth Velocity Stacks Kit Key Features:\u003cbr\u003e\u003cbr\u003e  * Quick and easy installation\u003cbr\u003e  * Precision CNC-machined from Ergal aluminum\u003cbr\u003e  * Anodised finish\u003cbr\u003e  * Power improvements throughout the RPM range\u003cbr\u003e  * Improved throttle response\u003cbr\u003e  * High quality components guarantee a high quality product\u003cbr\u003e  * Tested and developed with Aprilia\u003cbr\u003e\u003cbr\u003e**Jetprime are an Official supplier to Aprilia factory RS660 Trophy Race\u003cbr\u003eBikes**\u003cbr\u003e\u003cbr\u003e","brand":"Jetprime","offers":[{"title":"Default Title","offer_id":55711860883797,"sku":"JP-ATR660","price":318.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/7862\/6901\/files\/aprilia-rs660-jetprime-bell-mouths-velocity-stacks-kit_atr660_01.jpg?v=1794243918","url":"https:\/\/www.mssperformance.com\/products\/aprilia-rs660-tuono-660-jetprime-bell-mouths-velocity-stacks-kit","provider":"MSS Performance ","version":"1.0","type":"link"}