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sms 570tm

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    SMS to tune Challenger, SMS 570TM and 570XTM on the way

    SMS, Steve Saleen's new tuning company, will be producing its own Signature Series versions of the Dodge Challenger. The release from SMS (after the jump) doesn't divulge much, but two versions will be available, the SMS 570TM and SMS 570XTM, based on the Challenger R/T. Both models will benefit ...


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