2010-2013 Mazda 3 Engine and Performance
Hey guys, im looking to toss a new muffler on my Mazda 3 sport 2L, nothing super loud, just wanna be able to hear it a little :D. My only worry is that when im going down the highway, sitting at 3500 to 4500 rpm, that its going to be so loud itll drown out my stereo. Any of you have any of...