5Blade Mafia™ Underboss 63/64 VGT Drop-In Turbo | 2007.5–2012 6.7L Cummins Performance Upgrade

Stainless Diesel 'VGT UNDERBOSS' 5Blade Mafia™ Turbocharger – 2007.5–2012 6.7 Cummins Drop-In Upgrade

Upgrade your 6.7L Cummins with the Stainless Diesel 'VGT UNDERBOSS' 5Blade Mafia™ Turbocharger, designed as a true bolt-on replacement for your 2007.5–2012 model. Whether you're replacing a failing factory unit, aiming to meet Work Stock pulling rules, or just want to turn heads with a sleeper setup, the VGT UNDERBOSS is the power-packed solution your truck deserves.

Built around our larger 63mm billet 5Blade Mafia™ compressor wheel and paired with a high-flow 64mm 10 Blade turbine, this unit supports up to 650+/- horsepower while keeping exhaust brake functionality and daily drivability intact.

🔧 Key Features:

• ✅ Drop-In Replacement – No cutting, fabrication, or custom parts needed

• ✅ Maintains OEM Exhaust Brake Functionality

• ✅ 63mm 5Blade Mafia™ Compressor Wheel – Fast spool, big flow

• ✅ Optional 64mm 9Blade Turbine Wheel – High-flow, aggressive sound

• ✅ 650+/- HP Capable – With upgraded fueling
  

• ✅ Includes Calibrated VGT Actuator – Pre-set and ready to roll
  

• ✅ Lower EGTs – Keep things cool under pressure

• ✅ Great for Towing

• ✅ Includes Full Installation Gasket Set

• ✅ Optional Braided Stainless -4 Oil Feed Line

• ✅ Backed by a 1-Year Unlimited Mile Warranty

⚠️ Note: This turbocharger is built for performance while still being tow-friendly. For best results, upgraded fueling is recommended.