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RS660 Variable Stacks - Light version

RS660 Variable Stacks - Light version

We’re excited to announce the launch of our Variable Intake Stacks – Light Version for the Aprilia RS660 and Tuono. Designed with road riders in mind, this version is a more affordable alternative to our original, track-focused intake stacks. While still delivering excellent performance, we’ve made a few changes to reduce costs and tailor it specifically for street use.

Here’s what’s different:

  • The custom air filter lid has been excluded.
  • The custom PC6 mapping is not included.
  • A different material is used, but the stacks remain highly durable

These adjustments allow us to offer this light version at a reduced price without sacrificing the core performance enhancements you expect. The result is improved throttle response, as well as more torque and horsepower,
making it perfect for spirited road rides.

We mounted a variable intake set on a stock 2023 Limited Edition Aprilia RS660 (the only modification was a race filter). We dyno'd the bike with and without the stacks and saw a notable increase in horsepower between 110 km/h and 155 km/h. However, the most significant gain was in torque. Starting with a standard 67 Nm, we managed to push it to almost 72 Nm without making any changes to the fueling, significantly improving the bike's driveability.
The bike’s owner mentioned that it felt like a completely different machine, with improved corner exit and much more responsive throttle action on the road.

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