LLY 63mm 5Blade Mafia™ Drop-In Turbocharger

LLY 63mm 5Blade Mafia™ Drop-In Turbocharger – High-Performance Upgrade for 2004.5–2005 Duramax

Take your 2004.5–2005 LLY Duramax to the next level with the Stainless Diesel 63mm 5Blade Mafia™ Drop-In Turbocharger. This stock-location upgrade delivers up to 660 HP with proper fueling, all while maintaining factory fitment—no fabrication or tuning required. Perfect for towing, daily driving, or stock-legal competition builds, it’s one of the best all-around performance turbos for the LLY platform.

Engineered with a 63.5mm billet 5Blade compressor wheel and a 66.5mm 10-blade high-flow turbine, this turbo offers lightning-quick spool, lower drive pressure, cooler EGTs, and that aggressive 5Blade whistle. It’s also 2.5" Work Stock legal, making it an excellent choice for diesel pullers who want maximum performance in a class-legal package.

✅ Direct bolt-on fitment – no mods required
✅ 63.5mm 5Blade billet compressor wheel for aggressive sound & airflow
✅ 66.5mm 10-blade turbine wheel for reduced drive pressure & louder exhaust note
✅ Supports up to 660 HP with proper fueling upgrades
✅ Compatible with stock exhaust brake
✅ Includes new vane actuator & vane position sensor
✅ 2.5" stock-appearing legal for Work Stock diesel pulling classes
✅ No core charge – keep your old turbo
✅ Includes gaskets, seals, and 1-year unlimited mile warranty

📦 What’s Included:

• Brand-new drop-in turbocharger

• New vane actuator & vane position sensor

• Gasket & seal kit

• 1-year unlimited mile warranty

⚠️ Note: OEM oil feed fitting must be reused unless upgraded to the optional braided stainless -4 line.

The LLY 63/66 5Blade Mafia™ turbo is the ultimate upgrade for Duramax owners who want better power, louder whistle, reliable towing, and street-friendly drivability.

🔥 Real power. Real sound. Real performance—upgrade your LLY Duramax with the 5Blade Mafia™ turbo today.