- Suitable for all models
- More power - Noticeable increase in both power and torque
- Sealed unit cold air intake
- Genuine carbon fibre heat shield
- Flows more air for longer - Outperforms other air filters
- Lifetime warranty - Easily washed and reused
- Motorsport pedigree - As used by some of the world's top racing teams and engine builders
How the Viper works
The technology used in the Pipercross Viper was
first seen on the famous Lotus 340R, but soon became available for an ever
increasing range of popular road cars.
Using 'velocity air force', each Viper air intake
directs cold air directly into the engine. The cold air feed takes air from an
area of cold, dense air straight into the Viper's inlet, swirling it through a
unique Pipercross reverse-flow air filter contained within a carbon fibre heat
shield, then into a ram pipe to increase the air pressure before feeding it
into the induction system.
The carbon fibre heat shield protects the air
charge from under bonnet heat keeping it cool -and therefore more dense -thus
introducing more oxygen into the combustion mixture, giving increased power.
The reverse flow technology filter and 150mm ram pipe make use of the physical
phenomenon of air tending to move towards surface area's, creating more air
flow on the edge rather than in the centre of the inlet. The unique design of
the filter cone and the inlet 'tune' the moving air flow to increase its speed
and therefore its pressure maximising the laminar air flow into the engine,
again resulting in increased power. 
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