The number of hand-built Vipers that roll out of the Conner Avenue, Detroit, mechanical system every day has been cut from 9 to 6 as a result of dealers round the country have 565 examples - a 289-day provide - sitting unsold in showrooms. to place that range into perspective, SRT sold 426 Vipers since the 2013 model went on sale last Feb with a beginning worth of $104,480.
