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In vindication of all the speed-freak gearheads preparing Hayabusa-powered rocket sleds in garages all over the world, Suzuki is rumored to be bringing to producton the concept car that fueled the madness. The company's the GSX-R/4, introduced in 2001, called on its motorcycle technologies — namely the 1.3-liter, 173 horsepower engine of the GSX1300R Hayabusa — in its creation. The flyweight two-seater, which may even get a 200hp mill from Suzuki's B-King concept bike, has a top speed of 140 mph and acceleration rates that wouldn't be out of place at the Grucci fireworks company. As Gizmag is reporting, the company is planning an announcement at this year s Tokyo Motor Show in October.

Suzuki GSX-R/4 Concept update for Tokyo? [Gizmag]

DP Cars: One Engineer s Quest to Build His Own Car; More Hayabusa Fun: Suzuki-Powered Sand Rails; Another Hayabusa Powered Supercar: Radical SR8; The Ultima Can-Am Speeedster: Not that You Can Handle It [internal]