Car Modification Type

Do you like car modification ? the following is tips, oops, this is not tips but just type of car modifications.

Commonly, car modifications consist of 2 parts which are engine modification and chassis:
Engine modification:
Engine modification consist of 4 stages which are
-Stage-1 : Modification that produce addition power up to 25 % from Standard. It is to improve ability and machine reliability.
-Stage-2 : Modification that produce addition power up to 40 % from Standard. Commonly for Rally and racer of amateur class circuit.
-Stage-3 : Modification that produce addition power up to 70-100 %. Used for Professional Racer.
-Stage-4: Power modification up to 100 % and usually used for Short-haul Sprint and straight with Supersonic speed.

Chassis modification
Chassis modification usually focused at system Transmission and suspension system which are:
-Transmission : the extreme replacement from standard type to type Close ratio, usually used for rally, where required tooth transfer without lessen machine power.
-Suspension: this modification consist of Jangkung and Ceper modification