Hi to all sifus, In some mod magazine i read they use cat-back exhaust. What is it? What is the difference between the cat-back and normal exhaust system?
I currently drive saga with stock mirage turbo engine, td04 turbine, merc fuel pump and
stock kotak tisu mirage intercooler oso with 2.5 inch exhaust piping...now boosting 0.6...standard factory boost i...