Airtec Motorsport Big Boost Pipe Kit for Focus Mk4 St 2.3 Focus RS MK3 Finally the duct seals the

Finally the duct seals the filter opening to the front slam panel but is not restricted by just the stock entry feed

The 'stick-ons' rely on double-sided foam tape laid on top of the factory plastic paddles and this will never give the positivity or long term rigidity that car and driver deserve

-> Rear Side Splitters (Left + Right)

- If your vehicle has 11-20mm Wheel Spacers installed

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Airtec Motorsport Big Boost Pipe Kit for Focus Mk4 St 2.3 Focus RS MK3 Finally the duct seals theTECHNICAL DATA As part of our expanding Mk4 Focus platform product range, AIRTEC Motorsport is proud to launch our big boost pipe kit for the ST suitable for track or fast road use. Developed in house at AIRTEC HQ in the UK, weve created a comprehensive solution to improving the cars original pipework to allow more flow and capacity whilst reducing restriction and improving response. The comprehensive 11 piece kit features three pipes constructed from