GRT Velocity Stacks for Aprilia RS 660 and Tuono 660 E5+ (2025+ EU – 2026+ US)

GRT Velocity Stacks for Aprilia RS 660 and Tuono 660 E5+ (2025+ EU – 2026+ US)

Description

Optimize your Aprilia RS 660 and Tuono 660 with velocity stacks for an unparalleled ride!

The RS 660 and Tuono 660 velocity stacks are designed to significantly improve torque and engine power, making your riding experience even more brillant.

Made in PA12 nylon 3D print, this velocity stacks kit is the result of numerous tests prototypes aimed at optimizing length and taper for maximum efficiency.

Thanks to these improvements, the engine responds better in the top power band,from 8000rpm to limiter.

Additionally, the intake sound becomes deeper and more pronounced, adding a sporty touch to your bike.

NOTE: only compatible with Aprilia RS 660 and Tuono 660 E5+ models (2025+ EU – 2026+ US). Not compatible with older models. If you do own a 2021-24 EU or 21-25 US model please buy this:
https://www.aspecialparts.com/shop/grt-gabro-racing-team/kit-velocity-stacks-rs660-tuono-660/

Product Benefits

• Improvement in torque and power from 8000rpm to limiter.
• Deeper, more pronounced intake sound
• Made from PA12 nylon 3D print
• Easy installation with included instructions
• Includes a FREE coupon worth €168 to download a custom ECU map from the UpMap Store, for stock and Race exhausts

Who is this product for?

The Aprilia RS 660 and Tuono 660 velocity stacks kit is for all owners of these models who want to get the most out of their bikes, both on the track and on the road. It is ideal for those looking for increased power and torque, along with a sporty and engaging intake sound. Recommended for tuning enthusiasts who want to maximize the potential of their Aprilia.

Technical Product Details

• Material: PA12 nylon 3D print
• Compatible with exhausts: Akrapovic, SC Project, Arrow, Austin Racing, Dominator, Mivv, Spark
• Customized ECU maps available through the UpMap Store free with the included coupon

Don’t wait any longer! Order your velocity stack kit for Aprilia RS 660 and Tuono 660 now and take your bike’s performance to the next level.

Maybe you need the proper tool to update your Aprilia’s map. Don’t have UpMap to load the new map? You can find it here:
https://www.aspecialparts.com/it/shop/upmap/upmap-t800-per-aprilia-rs660-2021/

The RS 660 and Tuono 660 are among the few bikes that show a real gain from using a racing air filter. Therefore, we recommend using the Sprint Filter for its durability, easy cleaning, and the fact that it works dry without needing lubrication:
https://www.aspecialparts.com/it/shop/tagliando-ricambi/filtri-aria/sprintfilter/filtro-aria-sprint-filter-pm176s-rs660-tuono-660/

WARNING: Both the velocity stack kit and the corresponding UpMap ECU map are for race use only.

Compatibility

• RS 660 E5+ 2025 (USA 2026)
• TUONO 660 E5+ 2025 (USA 2026)

FAQ

What are the main benefits of the GRT velocity stacks for RS 660 and Tuono 660 E5+?
The GRT velocity stacks for Aprilia RS 660 and Tuono 660 E5+ are designed to improve torque and engine power in the upper rev range, from around 8000rpm to the limiter, while giving a deeper and more pronounced intake sound for a sportier riding experience.

Do I need an ECU remap when installing these velocity stacks?
An ECU remap is strongly recommended to fully exploit the potential of the velocity stacks kit. The product includes a FREE coupon worth €168 to download a custom ECU map from the UpMap Store, with specific calibrations for stock and Race exhausts.

Are these GRT velocity stacks compatible with older RS 660 and Tuono 660 models?
No, this kit is only compatible with Aprilia RS 660 and Tuono 660 E5+ models (2025+ EU – 2026+ US). Owners of 2021-24 EU or 2021-25 US bikes must use the dedicated kit linked in the description.

Can I use these velocity stacks with aftermarket exhaust systems?
Yes, the velocity stacks can be used with several popular aftermarket exhausts such as Akrapovic, SC Project, Arrow, Austin Racing, Dominator, Mivv and Spark, especially when combined with the specific UpMap ECU map included via coupon.

Are the GRT velocity stacks for RS 660 and Tuono 660 E5+ road legal?
No, as stated in the description, both the velocity stack kit and the corresponding UpMap ECU map are intended for race use only and should be used exclusively on closed circuits, in compliance with local regulations.