What is the cat back exhaust system
This section is also a lot of people who want to change the first part of the change, the purpose is to reduce the resistance of the exhaust, there is a strong engine to increase the horsepower output, and improve the appearance of the exhaust pipe. The disadvantage is that after the noise will be relatively increased. On the road to see the guy drove out like a sports car like "rumble" is because the part of the fog turned off.
The so-called catback exhaust system (Catback Exhaust System), meaning the catalyst (Catalytic converter) after the final exhaust system
The cat-type exhaust system means the final exhaust system after the catalyst.
