That's why we're going to tell you what we think are the best first mods to do to your car! Coilovers. First and foremost, we feel that coilovers are definitely one of the best first mods you can do to your car. ... Wheels. Wow, this one probably comes as a surprise from a wheel company. ... Tires. ... Exhaust. ... Aero. Feb 17, 2020