04.5-10 Duramax S300 Turbo Kit Billet S363 SXE-R

🔥 Smeding Diesel S300 Turbo Kit – 2004.5–2010 Duramax (LLY/LBZ/LMM)

SKU: SMED-S300KIT-04510

💪 T4 Swap | Better Flow | Lower Drive Pressure | Budget-Friendly NON-VGT Power

If you're tired of VGT headaches and want real performance without the premium price tag, the Smeding Diesel S300 Turbo Kit is your golden ticket. Designed specifically for 2004.5–2010 Duramax pickups (LLY, LBZ, LMM), this kit replaces your restrictive stock VGT setup with a free-breathing, power-building S300 frame turbo.

🔧 What’s in the Box?

Everything you need to make the switch:

• ✅ Smeding S300 Turbocharger

• ✅ T4 Turbo Pedestal

• ✅ 3.5” Downpipe (Works with factory or aftermarket exhausts)

• ✅ Oil Feed & Drain Lines

• ✅ Coolant Plug

• ✅ Gaskets, Bolts, and Misc Hardware

🧠 Why Go NON-VGT?

• Lower Drive Pressure = Lower Cylinder Pressure
  Less stress on head gaskets, pistons, and rods.

• Significantly Better Exhaust Flow
  Compared to stock VGT units that choke your engine.

• Simplified Setup
  No VGT actuator, no solenoid control issues, no tuning headaches.

• More Boost, More Reliability 💨
  Perfect for street trucks, tow rigs, and weekend warriors alike.

💥 Built for 850+ HP Potential

Pair it with proper fueling and tuning, and this setup is ready to party. Whether you’re towing heavy or smashing the throttle at the strip, this S300 setup is your go-to for reliable, affordable performance.

⚠️ Fits 2004.5–2010 Duramax trucks (LLY, LBZ, LMM)
🧰 Requires tuning and may require slight modifications depending on truck configuration.

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💬 Need help picking injectors or building a full setup around this? We got you.