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Factory Pro

Factory Pro Velocity Stacks



Velocity Stacks or V-Stacks = MORE POWER for you motorcycles

Factory Pro Tuning Velocity Stacks The world's largest producer of aftermarket velocity stacks!

Factory Pro Velocity Stacks makes for SWEET Intake sound, more rpms and more Factory Pro True POWER. The power developed by intake tract resonance optimization and the sharp, crisp sound of 4 properly tuned intake ports of a sportbike.

Factory Pro Velocity Stacks work primarily by increasing the engine's dynamic compression - kind of like milling the cylinder head or slightly higher compression pistons over a range of desired rpm ranges. Using Velocity Stacks increasing compression doesn't require big fuel changes.

Factory Pro knows dynamic compression is different from cranking compression. Dynamic compression is essentially cranking compression + extra air that gets trapped in the combustion chamber as a result of proper intake tract (velocity stack) length, intake cam closing and also the effects of the exhaust systems in a RUNNING engine.

Factory Pro also knows that dynamic compression effects are also related to rpm ranges - as intake ram charging; commonly occurs strongest over a 3000 to 3500 rpm range. (usually....)

Factory Pro Velocity Stacks wants to know that you get less dynamic compression than cranking compression under running conditions. If the resonant frequencies of the sportbike intake or sportbike exhaust systems are wrong, the systems can yank air back out of the combustion chamber before the intake valve closes (and thats called a "flat spot here at Factory Pro) Get that serious Factory Pro 2 to 6 hp power boost with patent pending FP billet Velocity Stacks.

  • Velocity Stacks for better speed and acceleration. Just slightly more complex to install than an air filter change
  • Velocity Stacks is under 1 hour installation with average hand tools
  • Factory Pro Velocity Stacks Increased airflow, producing significant hp gains without compromising powerband
  • Sportbike Velocity Stacks for Improved inlet radius for better powerband control - stronger power where you need it most.
  • Factory Pro Velocity Stacks Installs using your Sportbikes stock or modified airbox and stock or aftermarket sportbike air filter. ...



Factory Pro

 
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