Trompetas de admision Yamaha R1 2007

  • 10 Unidades en Stock
  • Modelo: VS_29
  • Peso del producto: 1lbs
300.00 €
Quantity :
Máx: 5


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

  • Incrementa potenza e coppia ad i medi ed alti giri al minuto

  • The engine reaches its maximum speed in less time

  • Increased responsiveness of the engine during the reopening of thottle

  • Reduces the loss of engine power on approach to limiting

  • Amazing intake sound
  • Increase ram air effetc for variable system removed

Contents of a package:

  • 4 racing velocity stacks racing made by CNC machines
  • 2 support brackets made of stainless steel laser cutting machines
  • Screws
  • pack of medium strength Loctite
  • assembly instructions


Dyno results:




Test info:

Yamaha R1 2008 , Leovince full racing system, Bmc carbon race filter and Ecu Yec

Blue line = Stock variable system stacks

Red line = Venturisystem stacks (static system)  with optimized map

Tested by  Phoenix Racing Italy





The kit increases the intake air into the engine so may need to adjust the AFR (air-fuel ratio)

More Air =  AFR lean

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Technical Development

What is AFR?






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