Description
Upgrade your Audi’s fueling system with DeatschWerks 550cc Fuel Injectors, precision-engineered for performance applications requiring enhanced fuel delivery and optimal tuning flexibility. Designed to work flawlessly with Audi’s 4.2L V8 and 5.2L V10 engines, these injectors are a perfect match for naturally aspirated and lightly boosted builds looking for reliable and consistent fuel flow.
Each injector set undergoes multi-point dynamic flow testing to ensure less than 2% flow variation. This dynamic balancing ensures optimal spray pattern, idle quality, and throttle response at every RPM and load range—ideal for street or track use.
Fully compatible with pump gas and E85, and backed by SAE J1832-standard injector characterization data, DeatschWerks injectors simplify the tuning process with plug-and-play calibration support for your tuner.
Key Features:
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Flow Rate: 550cc/min @ 3 bar (43.5 PSI)
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Injector Type: Bosch EV14, high impedance
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Fuel Compatibility: Gasoline and ethanol (E85 safe)
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Matched Flow Tolerance: Within 2% across entire operating range
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Tuning Support: General and vehicle-specific injector data available
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Warranty: Industry-leading 3-year manufacturer warranty
Compatible Audi Models:
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2001–2002 Audi S4 Avant – 2.7L V6 (2671cc)
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2004–2008 Audi S4 Avant – 4.2L V8 (4163cc)
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2001–2002 Audi S4 Base – 2.7L V6 (2671cc)
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2004–2008 Audi S4 Base – 4.2L V8 (4163cc)
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2004–2009 Audi S4 Cabriolet – 4.2L V8 (4163cc)
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2002–2003 Audi S6 Avant – 4.2L V8 (4172cc)
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2007–2009 Audi S6 Base – 5.2L V10 (5204cc)
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2001–2003 Audi S8 Base – 4.2L V8 (4172cc)
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2007–2009 Audi S8 Base – 5.2L V10 (5204cc)
Why Choose DW 550cc Injectors?
These injectors are ideal for lightly modified engines, offering just the right amount of flow for upgraded intakes, exhausts, and mild forced induction setups. With unmatched consistency and comprehensive tuning support, they’re an ideal choice for enthusiasts seeking better performance without sacrificing drivability.
