Fleece Performance 04.5-07 Dodge 5.9L Cummins 63mm Billet Holset Cheetah TurbochargerFleece Performance Cheetah Turbochargers set the industry standard for power, quality, and reliability. The Cheetah series does not require an expensive kit, just bolt it on and go. Designed as a stock appearing, drop in replacement turbocharger capable of much more! With our exclusive FMW compressor wheel and inconel turbine wheel technology, you'll enjoy smooth throttle response, big top end power, and that classic Cheetah Turbocharger sound.