Originally Posted by turb0mike
As said before, really master your car in stock form and it will translate once you start modifying. I wish I had tracked my car with nothing on it but I ended up my first track day with mostly all bolt ons, KW/swift, and stoptechs, lol. I will say that the most important lineup should be: wheels/tires, brakes, suspension, aero (including racing seats/harnesses), power
I would agree but there are some mods which also give more safety on the track (brakes, seats/harnesses).
To go faster, tires are the most important upgrade. Then suspension (including camber plates) and power mods.
Performance Seats, Exhaust, Splitters, Pedals, Steering Wheel / RB Turbos / M3 CF Roof / Brembo GT BBK 355/345 / Rollcage / Forge FMIC / Quaife LSD / Íhlins Road & Track / M3 Suspension Parts / Solid Subframe Bushings / Vorshlag Camberplates / Megan Racing Toe Links / LeatherZ Gauges / Extended M3 DCT Paddles / ER Sports OC / AR OC / Aux Radiator / AR DPs / Alpina TCU / COBB Pro-Tune