guys, i hav chnaged my stock muffler to 5zigen recently and found out my engine response decrease alr.. does it has to do with the muffler size or sumthin, its 2 inches s flow??
comments plz, really heartache when found out that changin the muffler is kinda bring down my torque or sumthin
comments plz, really heartache when found out that changin the muffler is kinda bring down my torque or sumthin
