Description:
Racing velocity stacks developed on dynotune (Dynojet i250) and tracks,designed to use on circuits and driveways. Prohibited use on public roads
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Increase power and torque at the mid and high rpm
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Greater rapidity of the engine to increase the revs on the whole power range
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Greater reactivity of the engine during the throttle openings
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Reduces the power decay of the engine toward the limiter
- Amazing intake sound
Dynamometers results:
Power/Rpm
Test info:
Fz1 2008 with Arrow full exhaust system and Dynojet PowerCommander
Blu line = Stock kit with AFR tune
Red line = Venturisystem with AFR tune
Contents of a package:
- 4 racing velocity stacks racing made by CNC machines
- 2 support shafts of inox steel made with laser cutting machines
- assembly instructions
Warnings:
The kit increases the air intake into the engine so may need to adjust the AFR (air-fuel ratio)
More Air = AFR lean
