STRINGERSTACKS VARIABLE LENGTH VELOCITY STACKS Kawasaki 2021-2024 ZX10R RR

StringerStacks Electronic Variable Veloxity Stacks for Kawasaki ZX10R and RR 2021-2024 Will not work with kawasaki kit electronics

StringerStacks Variable Length Velocity Stacks offer a huge performance gain and improved throttle response over stock velocity stacks (or bellmouths as they are also called) that cannot be gained from the installation of any other aftermarket products.

These electronic variable-length velocity stacks transform the bikes we have fitted them to. Our track testers have not wanted to take them back off their bikes!

StringerStacks Variable Length Velocity Stacks are printed using 3D printer technology using a carbon fuel resistant filament and they are delivered as a complete replacement stack kit coupled with an electronic motor and CPU to lift the upper stacks at a set RPM. This approach allows us to create variable stacks like Yamaha, BMW, Ducati do from the showroom and allows us to create velocity stacks that increase power and throttle response at mid and high rpm, not only giving proven gains on the dyno chart below, but this doesn’t tell the whole story, in real-world use – where unlike on a dyno – the ram air into the airbox is properly fed, thus getting horsepower and torque gains and throttle response that cannot otherwise be achieved with bike modifications at this price point.

StringerStacks Variable Length Velocity Stacks are a DIY plug and play installation, Stringer Stacks come complete and ready to install, if you have retained your smog/AIS/PAIR valve system then you should select the airbox installation kit, this comprises a grey rubber bung and a hole cutter to feed the electronics from the CPU to the stacks, customers who have removed the smog/AIS/PAIR system can run the cables through that bunghole.

If your road racing or Roll racing you are not going to find a better set of stacks out there! leave your competition behind!