The drop-in, stock-appearing Screamer turbo for the 2004.5-2016 Duramax utilizes modern turbo technology that delivers increased airflow without compromising on low end response. Boost pressure can be increased to improve horsepower potential. Tests with the same tune and fuel quantity showed increased power output and a decrease in peak EGT's. The Duramax Screamer turbo works with any "box" tuner with further improvements achieved with custom tuning.
- 65mm Billet compressor wheel
- Outflows the Garrett Powermax stage 1
- New technology “mixed flow” larger turbine wheel increases turbo flow and efficiency
- Spools the exact same as an OEM Duramax LBZ turbo
- Up to 85lb/min of airflow
- More boost, lower drive pressure and lower EGT’s
- Suggested max 690 crank HP
- VSR high speed balanced
- 12,000 Miles
- 2004.5-2005 LLY Turbos require 771864-0001 Adapter Cable
- Not for sale on licensed California vehicles
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