Took my 2017 Focus ST to the Sebring International Raceway for some hot laps.
Link to brake cooling deflectors: https://amzn.to/2OoScXO
Added factory Ford Performance brake cooling deflectors to the front (they mount on the lower A-arm). Car otherwise totally factory. Ran awesome :D
Track Day items that make the day better:
https://amzn.to/2Y3nuIk Portable Camping Chair
https://amzn.to/2OrapFk Igloo Quantum compact cooler
https://amzn.to/2DnMz7a Track Armor paint protection tape
https://amzn.to/2OSs87B easily packable tool kit