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The K&N 57-0593 Performance Air Intake System delivers more airflow to 2000-2004 Audi A4 models equipped with the 1.8L turbo engine producing 150BHP. This 57i Series kit replaces the restrictive factory airbox with a large open-element filter and mandrel-bent aluminum tubing for dyno-proven power gains up to 8.65 HP at 5790 RPM. Drivers experience sharper throttle response and a distinctive engine sound while enjoying a washable filter that lasts up to 100000 miles.
Key Features
- High-Flow Air Filter: Mandrel-bent aluminum tube and oversized cotton gauze filter provide low restriction airflow exceeding stock systems for consistent power across the RPM range.
- Power Gains: Dyno-tested to add 8.65 HP at 5790 RPM by freeing the engine from factory airbox limitations and increasing filter surface area.
- Easy Installation: Bolt-on design completes in 90 minutes or less using basic hand tools with no permanent vehicle modifications required.
- Long Service Life: Washable and reusable filter holds more contaminants extending intervals to 100000 miles between cleanings depending on conditions.
- Directly connects to throttle body using steel aluminum or reinforced nylon components.
- Easy bolt-on designs proven on dynamometers for real-world horsepower increases.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2000-2004 | Audi | A4 | Cabriolet |
| 2000-2004 | Audi | A4 Quattro | Avant |
Specifications
| Brand | K&N Engineering |
|---|---|
| Manufacturer Part Number | 57-0593 |
| Product Type | Cold Air Intakes |
| Fitment Type | Vehicle Specific |
| Condition | New |
What's Included
One new K&N cold air intakes identified by manufacturer part number 57-0593. Hardware, adapters, clamps, hoses, filters, and service supplies are included only when stated for this exact product.
About K&N Engineering
K&N develops reusable air filtration, intake, oil filtration, fuel filtration, and related performance products for vehicle-specific and dimensional applications.
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Frequently Asked Questions
How do I confirm K&N 57-0593 fits my vehicle?
Match the year, make, and model in the fitment table, then confirm the engine, factory housing, sensor layout, emissions notes, and any application restrictions stated for this exact part.
Does K&N 57-0593 require tuning or emissions verification?
Requirements vary by vehicle and intake configuration. Check the current K&N application and emissions notes, and complete any required calibration before full-load operation.
What should be checked after installing K&N 57-0593?
Verify seals, clamps, fasteners, hoses, sensors, wiring, and surrounding clearance as applicable. Check for leaks or contact, then follow the manufacturer service and reinspection schedule.
Installation Instructions
- Installs in 90 minutes or less with included adapters and hardware
- Directly connects to throttle body using steel aluminum or reinforced nylon components
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