Not sure which 2010 GMC Sierra Performance Mufflers are right for you? We have over 976 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"the flowmaster sound is just what i wanted for my truck it sounds like a truck now and my neighbors can hear me coming." —Daniel S from Norwalk, OH bought a Flowmaster Super 44 Series Mufflers for a 2010 GMC Sierra.