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Flowmaster, Inc. is a specialty performance aftermarket exhaust parts manufacturer. The company has two locations totaling over 400,000 square feet (37,000 m2) in Santa Rosa, California and West Sacramento, California. It was founded in 1983 by Ray Flugger. Originally created to minimize California Sprint Car engine noise without sacrificing performance from excessive back pressure caused by traditional exhaust systems, Flowmaster has grown to be a manufacturer of performance exhaust systems, mufflers, exhaust kits, racing mufflers, stainless steel mufflers, and exhaust accessories for cars, muscle cars, trucks, diesel trucks, SUVs, motorhomes, ATVs and most vehicles. Best known for their line of high-performance ‘chambered’ mufflers, Flowmaster designs and builds many bolt-on exhaust systems for many vehicles, and supplies exhaust technology for various military applications as well. Privately owned by Flugger until 2010, the company was purchased by the B&M Group and now shares space with three other automotive parts companies: B&M Racing, Hurst Shifters and Hurst Driveline Conversions.

Flowmaster, Inc.
Private company
IndustryAutomotive aftermarket
FoundedKenwood, California (1983), United States
HeadquartersSanta Rosa, California, West Sacramento, California