K&N 57I-2503 Performance Air Intake — Ford Focus XR5 2.5L

K&N 57I-2503 Performance Air Intake — Ford Focus XR5 2.5L

Vehicle-specific K&N high-flow intake system for 2005–2011 Ford Focus XR5 / compatible Focus II 2.5L five-cylinder.

57i Generation II induction system using non-metallic rotationally moulded intake plumbing and washable K&N filtration.

Supplied with application-specific filtration, intake plumbing and mounting hardware. Confirm exact vehicle, engine and model-year fitment before ordering.

Product Details

Product: K&N 57I-2503 Performance Air Intake — Ford Focus XR5 2.5L
Brand: K&N
Category: Intake

This listing covers the product and application named above. Use the product title, part number where shown, and the existing technical information on this page to confirm it matches the required vehicle or engine combination.

Before Ordering

• Confirm the listed application matches the vehicle, engine or component being upgraded.
• Check whether supporting hardware, fabrication, wiring, fluids, gaskets or calibration are required for the installation.
• If the vehicle has non-standard modifications, confirm compatibility before purchase.

Built by Boost & Tune Support

Built by Boost & Tune can assist with fitment, fabrication, installation and dyno calibration where required. Contact us before ordering if you need help confirming suitability or planning the complete upgrade package.

Application Checks

Confirm engine/head application, throttle-body arrangement, injector and fuel-rail requirements, inlet/outlet size, available vehicle clearance and any fabrication needed around piping or accessories. Where selectable finishes or hardware packages are offered, choose the combination that matches the rest of the induction system.

Supplier

K&N

Vehicle Fitment

• Ford Focus Xr5 Mk2 2 5 Turbo

Confirm chassis, engine, drivetrain and production-year compatibility before ordering.