Due to Material supply issues Rotobox production is now 8 to 10 weeks





These products do not contain instructions. Qualified Mechanic Installation reccommended.
We display live inventory for in-stock items. However, due to high demand and limited production, CarbonSmith Velocity Stacks can sell out quickly. These products are made to order to maintain the highest quality standards, with each kit requiring over 30 hours of print time. If this item is out of stock, it can still be purchased and will be placed into the production queue. Orders typically ship within 1–2 weeks (excluding holiday periods).
Our 2020+ Aprilia RS660 Velocity Stacks are an amazing upgrade to boost performance on your new Aprilia RS660! 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 RACE TRIM 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!
THIS KIT INCLUDES A COMBINATION LEFT AND RIGHT VELOCITY STACK DESIGNED FOR OPTIMUM AIR/FUEL MIXTURE ACROSS THE ENTIRE RPM RANGE.
DIMPLE DESIGN CREATES ADDITIONAL TQ AND HP AT HIGH SPEED.
MANUFACTURED 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.
In 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 18 hours of print time and are MADE TO ORDER, therefore your patience is very much appreciated.
| SKU: | RS660DIM |
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The higher pressure cap stopped my overflow from becoming pressurized and blowing out. I did a combustion gas test on the cooing system and it passed all 3 times, so it made since the factory cap was to low of a rating for serve duty.
The internet provides many options. Not all are good. HHR provides top notch customer service and the best parts available.
quick shipper
awesome customer service
I ordered Avio fiber glass fairing and all necessary brackets for 2023 Yamaha r1. HHR answered all my questions by email and later by phone. The staff I communicated with were knowledgeable, straightforward, helpful, and non-judgmental. I've had been using the products for more than a year, and I have no complaints and am quite happy with it. I've heard it's easy to installl, too, but I had someone else do it, so I can't say if that's true. The bodywork has cutouts for the tail light and headlights. Works great.
Best store to buy
Always willing to help and with patience
One fine piece of carbon fiber. Light as a feather. Bike rides like a whole different monster
Weight of a feather. Super flickable, launches and rolls are noticeably more aggressive
Good price, delivery and fit.
Great track bodywork kit. Everything fit well. Excellent quality
Communication was on point and the fella worked with me on my address.
The good stuff
Awesome
Excellent fit and finish. Easy installation with no modification required
Supreme oversuspenion for my BMW M1000XR COMPETITION
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