AIRTEC Motorsport Stage 3+ Induction Kit for Focus RS Mk3

Maximize performance with the ultimate Focus RS Mk3 intake upgrade. The AIRTEC Motorsport Stage 3+ Induction Kit has been expertly developed and manufactured in the UK at AIRTEC HQ, offering the most powerful and least restrictive induction system available for the Ford Focus RS Mk3.

Engineered for fast road and track use, this high-performance induction kit for Focus RS Mk3 is designed to deliver outstanding airflow and throttle response, making it ideal for modified vehicles — from mild upgrades to full-on builds.

Key Features:

• Massive AIRTEC Motorsport cone filter for superior filtration and airflow

• 102mm (4-inch) aluminium trumpet for high-velocity air intake

• 90mm (3.5-inch) mandrel-bent pipework for minimal restriction

• Shortest, most efficient routing for optimal airflow dynamics

• Includes replacement engine cover to accommodate increased pipework

• Air deflector shield to direct cold air to the filter

• High-quality silicone joiners and all necessary fixtures/fittings

• Unique Registered Design Right: 6154870/6154871/6154872

Unlike typical Focus RS Mk3 intake kits, the AIRTEC Stage 3+ system uses oversized intake pipework and shallow bends to maintain smooth, consistent airflow — ensuring maximum horsepower gains and engine efficiency. The result is a dramatic improvement in induction sound, throttle response, and performance.

Whether you’re chasing lap times or just want the most capable Focus RS MK3 induction kit for the road, the Stage 3+ kit delivers track-ready airflow with OEM-quality fit and finish.

Note: This induction kit is designed for the Focus RS Mk3 and is not confirmed to fit pre-facelift ST models.

Why Choose AIRTEC:

AIRTEC is a leader in UK performance engineering, known for quality, innovation, and results you can feel on the road or the track. Find this product in action HERE, featuring in one of our recent RS MK3 NX2 Conversions, pushing out 537BHP.

Please note – this kit is not a direct fit to the NX2 turbo, Adjustments are required. This kit is a direct fit to the stock turbo, no adjustments are required.

AIRTEC Part No: ATIKFO31
Designed and manufactured in the UK