The Billet Duramax VNT Cheetah Turbocharger is a drop-in replacement turbocharger for 04.5-10 Duramax diesels. It comes with a Fleece Performance Engineered 68mm billet compressor wheel and high flow custom Cheetah turbine wheel. This stock replacement turbo is guaranteed to enhance your driving experience. You’ll enjoy the spool up and throttle response of a small turbo and still get the big top end power you’re looking for. Rated at 825+ RWHP this is the ultimate drop in replacement turbocharger. Compliment any FPE VNT Cheetah Turbocharger with a higher flowing HX40 style downpipe. At four inches, it is the largest replacement downpipe available on the market. Be sure to specify that you want the big HX40 downpipe when you order your Cheetah turbo. Stock Appearing: 100% Stock Appearing. This turbocharger uses the stock housings with updated internals. This allows you to keep all factory systems intact yet allow you to safely run 40-45 PSI of boost. No aftermarket components or modifications needed for installation. Proven Technology: These turbochargers are built with genuine Garrett Turbocharger parts. They feature upgraded shaft bearings and 360 degree thrust bearings. No other drop in replacement aftermarket VNT turbo on the market can offer you that. Powerful Yet Responsive: These turbochargers spool like stock, thanks to the variable nozzle technology (VNT) which allows the turbo to act smaller upon spool-up and then open up to flow more exhaust on the top end. 4″ HX40 Downpipe: Upgrade to the full 4″ HX40 Style Downpipe and maximize your spool up potential and EGT management. FPE Exclusive Billet Wheel Technology: Faster Spool-Up Increased Throttle Response Broader Torque Curve The Ultimate Drop-In Replacement Performance Turbocharger Note: HX40 Style requires HX40 downpipe and drives side transmission dipstick (LMM Only) & dipstick tube.