by frost » Wed Dec 30, 2009 9:49 pm
there is a few types you can buy,
the really flexi stuff can be found at bunnings in the air ventilation section, its got a stiff wire coil with foil/plastic skin, ok for intake use, about $12 for heaps
the stiffer stuff can be found at silvester v8 shop, but cost about X3
it can also be found at the dvs/aircon ventilation installers,
made of all alloy/foil with ribs, good for brake ducting and intake
about $30 meter
or the high temp orange silica hose for proper racing cars, cost about $200 a meter,