Airtec - Boost Pipe Kit - Ford Focus ST (MK4) audi-a4-b8---b8-5---07-15-1-8-tfsi-170-esi3820470 The DO88 Intake system for

The DO88 Intake system for the Audi RS6 C8 and RS7 C8 has been developed for maximum performance and a precise fit

these springs fit both OEM and aftermarket shock absorbers without any modifications

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It provides a stable and regulated electrical voltage

Airtec - Boost Pipe Kit - Ford Focus ST (MK4) audi-a4-b8---b8-5---07-15-1-8-tfsi-170-esi3820470 The DO88 Intake system forThe Airtec Big boost pipe Kit for the Ford Focus Mk4 ST is a complete replacement for the original boost pipework, suitable for track use and sporty road driving. The kit was developed in house at Airtecs headquarters in the United Kingdom and delivers greater flow and capacity, reduced restriction and a more direct response. The 11 piece kit comprises three lightweight aluminium pipes for extra strength, ensuring they wont fail even at higher boost