The 2006 Honda Civic Si was developed for the street by Honda R&D Americas
in Raymond, OH. Honda R&D now takes the Si to the track by being the first
to develop a racecar from the 2006 Si. Built to NASA US Touring Car Championship
specs in preparation for the 2005 25 Hours of Thunderhill, the engine was rebuilt
to USTCC specifications and controlled by a Honda R&D proprietary race tuned
stock ECU. Engine modifications include an AEM intake and DC Sports race header
and exhaust. Power is put to the ground through Michelin Pilot Sport Cup (dry)
or Michelin Pilot Exalto PE2 (wet) tires depending on conditions. The chassis
is augmented by a H&R race suspension developed in conjunction with Honda
R&D engineers. Aerodynamic enhancements are handled by an APR front splitter
and rear spoiler.
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| Chassis/Suspension Modifications |
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| Exterior Modifications |
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| Interior Modifications |
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