63mm Billet LB7 Cheetah TurbochargerThe Fleece FPE LB7 63 63mm Cheetah Turbocharger will wake up your 2001 2004 GM 6. 6L Duramax LB7. The LB7 drop in replacement Cheetah Turbocharger features an FPE Custom 63mm compressor wheel and high flow inconel turbine wheel. This turbo includes the Fleece FPE INTAKEHORN Modified LB7 Intake Horn and can power your truck all the way up to 625RWHP! FEATURES: Lower EGT's Stock Like Spool Up Supports Up To 625 RWHP 100% Drop In Replacement 60 85 RWHP