Cobra Sport GPF-Back Performance Exhaust - Ford Focus ST Estate (Mk4) Gauge Frequency Response - 54Hz -

Frequency Response - 54Hz - 25kHz

AIRTEC Motorsport’s solution to developing a catch can kit specifically for the Focus Mk4 utilises the available space to integrate seamlessly within the engine bay

If the ECU see's over 50 degree's it will back power off for engine safety

Cobra Sport Stainless Steel Cat Back Exhaust System

Silver intercooler - Black logo

Cobra Sport GPF-Back Performance Exhaust - Ford Focus ST Estate (Mk4) Gauge Frequency Response - 54Hz -Cobra Sport GPF Back Performance Exhaust Ford Focus ST Estate (Mk4) These Ford Focus Mk4 ST Estate performance exhausts are made in 3" 76. 2mm pipework and fit from the Gasoline Particulate Filter section backwards (GPF back) these exhausts replace the centre and rear sections. All relevant fittings and gaskets are supplied. This exhaust offers improvement in terms of exhaust tone, bass and sound level whilst keeping the stock catalyst and GPF in