Actually those cars that goes vroom2 very loud and maybe also those doom3 sound from the car speaker, what are the noises for? Suppose to make the car go faster? But usually see maciem struggling to accelerate je.

bunyi macam ribut
jalan macam siput

cuz u stay b40 area with b40 activities

mcm ini mah

Kotek kecil so make other thing big & loud lor ....

because attention seeker cannot afford lambo/ferrari

Actual purpose for big exhaust is improve airflow, for proper modded engines.

But most cars stock auto gearbox put big muffler

Vtec kick in

Donno what semenanjung people call it, but we sarawakian call it Minta Puji.

Also the loudest always have something to compensate.

this

Yes, goes faster.
My 260hp car if change from current 2.3inc to 3 inch exhaust, expected gains 10-15hp.

Sell catalic converter can get money also engine rev more just. Win2 situation