I've always liked tuning the cars most people don't bother with, and one of them is Mercedes C230 Kompressors, which at the time I built a couple, they were, in my eyes, by far the most under-rated cheap RWD car out there; especially for drifting. Mega strong engine and transmission, super easy to get big power and torque increases, amazing handling with very mild upgrades, huge lock as standard, looks pretty badass, and if you like insanely loud supercharger noise you can hear a mile away, you'