AIRTEC Motorsport Rear Diffuser Extension for Ford Focus RS MK3 – Adjustable 2-Position, UK-Made Rear Bumper Diffuser with Fitting Kit

AIRTEC Motorsport Rear Diffuser Extension for Ford Focus RS MK3 – Adjustable 2-Position, UK-Made Rear Bumper Diffuser with Fitting KitAIRTEC Motorsport Rear Diffuser Extension for Ford Focus RS Mk3 Upgrade the look of your Ford Focus RS Mk3 with the AIRTEC Motorsport Rear Diffuser Extension. This Focus RS Mk3 rear diffuser extension is a simple, high impact styling upgrade that adds aggressive, motorsport inspired aerodynamic style to the rear of your car. Designed for the MK3 Focus RS and made in the UK at AIRTEC HQ, it delivers that sharp, purposeful rear end finish enthusiasts

This uprated FMIC and boost pipe upgrade is a proven Focus RS performance mod that improves charge cooling

For reference

5 inch bore reduces restriction compared to stock

AIRTEC Motorsport intake pipe

vehicle-specific mounting bracket for secure fitment

We run this Pro Hoses silicone induction pipe on our own Fiesta ST Mk8 and have fitted it for many happy customers

Backed by Airtec 3 year unlimited mileage warranty

and improve ride quality and handling

6 diesel intercooler

triple forged aluminium construction to deliver serious rigidity without adding unnecessary weight

Feedback has been consistently positive for build quality

very strong yet still flexible ABS plastic