Silence interior drone with Flowmaster dBX mufflers. These mufflers utilize cutting-edge technology to provide maximum performance and ultimate sound quality. dBX mufflers have a patented core design that delivers exhaust efficiency with much less noise inside of your ride. These Flowmaster mufflers feature 409S stainless steel internal components covered in a 304 stainless steel case--a great look for your next exhaust project! Keep the peace inside--add made-in-the-USA street performance to your ride with dBX mufflers from Flowmaster.