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:
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✅ Drop-In Replacement – No cutting, fabrication, or custom parts needed
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✅ Maintains OEM Exhaust Brake Functionality
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✅ 63mm 5Blade Mafia™ Compressor Wheel – Fast spool, big flow
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✅ Optional 64mm 9Blade Turbine Wheel – High-flow, aggressive sound
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✅ 650+/- HP Capable – With upgraded fueling
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✅ Includes Calibrated VGT Actuator – Pre-set and ready to roll
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✅ Lower EGTs – Keep things cool under pressure
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✅ Great for Towing
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✅ Includes Full Installation Gasket Set
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✅ Optional Braided Stainless -4 Oil Feed Line
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✅ Backed by a 2 year unlimited mile warranty!
⚠️ Note: This turbocharger is built for performance while still being tow-friendly. For best results, upgraded fueling is recommended.
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