Why Your Car Shouldn't Sound Like a Dragster Ever heard a car rumble through Sandy like it’s headed straight to a demolition derby? Odds are that the driver’s muffler is screaming for help or just flat-out missing. While loud exhaust might get a few second glances on State Street, it’s not exactly a flex (and yes, your neighbors notice). But here’s the deal: your muffler does a lot more than hush your engine. It’s a vital part of your car’s exhaust system, keeping things quie