MagnaFlow 2010-2013 馬自達 3 2.5L Street Series 觸媒後性能排氣系統 15146

I've had this exhaust on my Mazda 3 for about two weeks now, and the deep, resonant tone when I hit 3500 rpm is exactly what I wanted. The dyno-proven performance claim feels real—I noticed a solid increase in throttle response on my daily commute. It’s a bit louder than stock, but the sound is so c

Installed this yesterday and the drone-free cruise is a game-changer for daily driving. The dyno-proven performance gain is also noticeable when merging onto the highway.

Install took about an hour with basic tools, and the sound is noticeably deeper than stock without being obnoxious inside the cabin. I’ve already noticed better throttle response in the mid-range.