The new exhaust on my car makes it idle at a rougher rate. The exhaust what size up an inch. Another thing is my muffler get so hot that it melts the paint job on my bumper. I do not want to fix this car that much because I have auto car repairing and anything to do with it. Where is the system is not cool at all I do not like it. Padf max hospice to get the motor more release. I went with the off brand flowmaster muffler.

The sound of the exhaust does not sound good at all. Does anybody have an idea on if I can put a muffler on. How hard is it to weld a different muffler on myself. My car has a sweet paint job at the exhaust sound so bad. I want my mazda car does sound good. The car has a dual overhead cam.