A restalled d5 is 289.00 with core return.They will produce UP TO 2800 depending on the application (how well brakes hold ,engine power ,tire type etc).The main benefit to these converters is the modified stator ,furnace brazed fins,hardened hub and woven fiber clutch disk all improve the performance and durability over the stock types.They work great with mild turbo upgrades such as the te44.