Description:

Racing velocity stacks  developed on dynotune (Dynojet i250) and tracks,designed to use on circuits and driveways. Prohibited use on public roads

• Increase power and torque at the mid and high rpm

• Greater rapidity of the engine to increase the revs on the whole power range

• Greater reactivity of the engine during the throttle openings

•  Reduces the power decay of the engine toward the limiter

• Amazing intake sound

Dynamometers results:

Power/Time

Test info:

 Suzuki Gsx-r 1000 2004,  Arrow full exhaust system,  Bmc filter and Dynojet PowerCommander

Linea verde = Lancio al banco  con kit di aspirazione originale

Linea azzurra = Lancio al banco con kit di aspirazione Venturisystem

Contents of a package:

• 4 racing velocity stacks racing made by CNC machines
• 4 rubber gaskets
• 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

Shipping & Returns

Payment methods

Technical Development

What does it mean AFR?