A concept built to show the performance side of the Sonic, the Super 4 is built with a 2″ turbo back exhaust and free flow intake system. 225/40ZR18 BFGoodrich racing tires (treadwear 40!) sit on Forgeline alloy wheels. A Brembo brake package, with two piece drilled rotors up front, slow the stripped and cage chassis down. A custom Pedders coil-over kit drops the car and ensures the tires work to their maximum. A carbon body kit round out the package.

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Full Coverage: 2011 SEMA Show >>
Photos: Best of SEMA 2011 >>

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Source: http://blog.roadandtrack.com/super-4-sonic-%E2%80%93-2011-sema-show/