Nitrous Oxide System (NOS)

Implementation of NOS along with different updgrades with tiers, after applying the base tier (initial option on the NOS installation menu, assuming it would be in the conversions menu, same place where traction, engine and aspiration conversions are located and where KERS could be located as another option)

Tier 1: Dragster
TIer 2: Racing|
Tier 3: Sport
Base: 35 HP

Im editing this post later today