Ford Focus ST (Mk4) Venom Box Delete Race Cat Back Performance Exhaust Model_(Mk3) ST Estate (2013-18) 5hp more than our open

5hp more than our open filter induction kit

inside the cooling vanes

1 x Blue Spring (Uprated)

This means you can reach new levels of fun with ease

Ford Focus ST (Mk4) Venom Box Delete Race Cat Back Performance Exhaust Model_(Mk3) ST Estate (2013-18) 5hp more than our openThis product is designed without a rear box and will be loud. Requires mandatory ECU reflash. Cobra Sport performance exhausts enhance the sound, looks and quality of your vehicle giving you the ultimate driving experience. Our sports exhausts range is fully guaranteed to give you assurance of our quality. This Ford Focus Mk4 ST cat back performance exhaust is made in 3" 76. 2mm pipework and fits from the Catalyst section backwards (Cat back)