Flowmaster Inc. has been a legend in performance mufflers and exhaust systems for over two decades. Since being founded by Ray Flugger in the early 1980s, Flowmaster exhaust systems and mufflers have gone through thousands of hours of dyno- and track-testing around the country.

Flowmaster exhaust systems are designed to provide more horsepower to your engine while preserving an acceptable sound level both inside and outside the vehicle. When looking for a quiet yet high performance muffler Flowmaster is the perfect choice. There is also a wide range of Flowmaster series exhaust systems, including the Flowmaster 40 series and the high-performance Flowmaster 50 Series. These mufflers and exhaust systems are crafted from high-quality materials with state-of-the-art designs and manufacturing methods including true mandrel bends for high flow without restrictions.

Flowmaster Inc. is housed in a modern 100,000 square foot facility in Santa Rosa CA, as well as a 300,000 square foot facility in Sacramento, California, with over 300 dedicated workers. The state of the art Flowmaster dyno tester tracks the complete engine cycle down to millionths of a second, with exact readings of every degree of cam rotation. This continuous product development and testing ensures your Flowmaster muffler, Flowmaster dual exhaust, or cat back exhaust brings you the best possible custom-tuned performance and sound possible.