WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.The APR DTR8868 Direct Replacement Turbocharger System (T4100001) is the ultimate power solution for the 3.0T EA839 engine found in the B9/B9.5 Audi S4, S5, and SQ5. Unlike hybrid turbos that reuse factory housings, the DTR8868 is a ground-up design by APR. It features a high-temperature 310 stainless steel turbine housing and a German dual ceramic ball-bearing CHRA, providing superior transient response and reliability compared to the factory journal-bearing unit. This system is capable of producing a staggering 620 HP and 622 FT-LBS of torque while remaining emissions compliant.
The kit is a true "bolt-on" upgrade, designed to work with factory or upgraded components. It includes all necessary one-time-use hardware and an adapter for the APR intake system. One of the most significant advantages is the included Stage 3 ECU software, which supports everything from 91 octane pump gas to E85 ethanol. When paired with an upgraded HPFP (High-Pressure Fuel Pump), the DTR8868 unlocks massive power on ethanol without needing expensive port injection or low-pressure fuel system modifications.
Features:
- Massive Power Gains: Up to +263 AWHP and +255 AW-FTLBS over stock performance.
- Dual Ceramic Ball Bearings: German-engineered bearings for ultra-smooth operation and lightning-fast spool-up.
- Robust Materials: 310 stainless steel turbine housing and K418 superalloy turbine wheel designed for the rigors of track use.
- 88mm Billet Compressor Wheel: Aircraft-grade 6061 aluminum wheel matched to a high-flow .65 A/R cover.
- Emissions Friendly: Designed to maintain factory emissions equipment while delivering supercar-level performance.
- Comprehensive Software: Includes a free upgrade from any lower APR stage; supports multiple octanes and Ethanol (E60-E85).
- No Core Required: This is a 100% brand-new unit, meaning zero downtime for your vehicle and no core charge hassles.
Performance Data:
| Fuel Grade | Crank Horsepower | Crank Torque |
|---|---|---|
| 93 Octane (AKI) | ~525 HP | ~540 FT-LBS |
| Ethanol (E85) + HPFP | 620 HP | 622 FT-LBS |
Engine Builder's Note: The APR Stage 3 software is specifically calibrated to protect your engine. It manages torque delivery to protect factory rods and pistons while actively monitoring EGTs and backpressure to ensure long-term reliability even at these extreme power levels.
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