5 Blade 63/66 LLY Turbo
🛠️ LLY 63mm 5Blade Mafia™ Drop-In Turbocharger – High-Performance Upgrade for 2004.5–2005 6.6L Duramax LLY
Unlock more power, louder whistle, and greater efficiency with the Stainless Diesel LLY 63mm 5Blade Mafia™ Drop-In Turbo—engineered for 2004.5–2005 6.6L Duramax LLY trucks. Whether you're towing heavy loads, daily driving, or building a stock-legal competition rig, this is the ultimate bolt-on turbo upgrade that delivers power and sound with no tuning or fabrication required.
This turbo supports up to 660 HP with proper fueling, thanks to its 63.5mm billet 5Blade compressor wheel and high-flow 66.5mm 10Blade turbine. It’s also 2.5" stock-appearing legal, making it a smart choice for Work Stock pulling rules.
🚀 Key Features & Benefits:
✅ Direct Bolt-On for LLY Duramax – No Modifications Required
✅ 63.5mm 5Blade Mafia™ Billet Compressor Wheel – Aggressive sound and fast spool
✅ 66.5mm 10Blade High-Flow Turbine – Loud exhaust note and lower drive pressure
✅ Stock Exhaust Brake Compatibility
✅ Supports Up to 660 HP with Proper Fueling
✅ New Vane Actuator & Vane Position Sensor
✅ 2.5" Stock Appearing Legal for Work Stock Diesel Classes
✅ Includes Gasket and Seal Kit for Installation
✅ Optional Braided Stainless -4 Oil Feed Line
✅ No Core Charge – Keep Your Old Turbo
📦 What’s Included:
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Brand-New Drop-In Turbocharger
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New Vane Position Sensor
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New Vane Actuator
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Gasket & Seal Kit
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1-Year Unlimited Mile Warranty
⚠️ Note: You must reuse your OEM oil feed fitting unless upgrading to the optional braided -4 line.
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This turbo is perfect for LLY Duramax owners who want better power, louder whistle, and reliable towing without sacrificing street manners.
🔥 Real power. Real sound. Real performance. Order your 63mm 5Blade Mafia™ turbo today!
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5 Blade 63/66 LLY Turbo
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FAQs
Please read our FAQs page to find out more.
Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.