100 Stony Point Rd
Suite #125
Santa Rosa , California 95401

  Phone:  (707) 544-4761
  Fax:  (707) 544-4784

35 years ago, Flowmaster® mufflers were conceived as a solution to a growing problem with sound issues at race tracks in California and beyond. In his successful effort to quiet race cars without reducing performance, our founder refused to accept the status quo of the day and instead pushed exhaust technology beyond common thinking. This led to many firsts in automotive exhaust science, as well as many patents protecting the various technologies used in Flowmaster® products. With those developments, Flowmaster® ushered in a revolution in automotive performance exhaust. For years, Flowmaster® has been committed to delivering the best automotive exhaust products to the market and being "The Exhaust Technology Company." Our mission has always been to bring you the highest quality exhaust products through innovation, advance manufacturing experience and dedication to customer service and satisfaction. Now, we're taking that mission statement to the next level by offering exciting new product categories to enhance our exhaust offerings. We now offer Delta Boost tuners for turbo-charged applications and Delta Force® performance air intake systems for numerous late model applications. These new offerings have been designed and tuned to work in combination with our tested and proven exhaust products to maximize your vehicle's performance. Now you can pick up an entire performance package in one place and from a company with a name you know you can trust, Flowmaster. Like today's cars, trucks, SUV's, Jeeps and UTV's we too have evolved. Our new mission is to be "The Performance Technology Company." Our R&D department is headed by long time Flowmaster® exhaust expert and V.P. of R&D, Lee Thompson. Lee and his team work tirelessly to bring new exhaust systems, mufflers and exhaust products that are specially fitted and tested for most popular brands and models to market. Our dedicated R&D team continuously monitors the performance of our exhaust products. They also design, engineer and test new products to expand our offerings into exciting new categories for your vehicle. These additions, along with more to come, not only make up the commitment of our R&D department, but the total commitment of all our departments and employees as a whole. We are automotive enthusiasts and want to ensure you're getting the most for your money. By offering only the highest quality, tested and proven products on the market, Flowmaster® provides maximum performance for your vehicle and the biggest bang for your buck. Deep into the 21st Century, Flowmaster® has continued to embrace new technologies in the automotive world, while continuing to deliver outstanding sound and performance benefits to all types of vehicles from our legendary chambered and laminar flow mufflers to our FlowFX straight-through designs. From our state-of-the-art Research and Development Center, new products and applications are regularly introduced. From mufflers to high flow catalytic converters, high performance headers, performance air intake systems, tuners, and a full line of carefully engineered bolt-on exhaust systems, we've got you covered. Applications for Flowmaster® technology range from modern sub-compact cars to turbo-diesel trucks, SXS's and UTV's, as well as almost every racing class and category from vintage classes to Jeep and off-road, and the most modern small displacement, turbo-charged applications. Flowmaster® has the ideal exhaust and performance solutions for you. Please browse through our website and call our dedicated tech line at (707) 544-4761 with any questions you may have. As automotive technology continues to advance, our commitment to developing the newest and best performance products is stronger than ever. For whatever you drive now and in the future, Flowmaster® will have the most advanced performance products available.

Flowmaster 817511 Axle-back System 409S-Du..

05-10 MUSTANG GT 4.6L AB OTL 409SApplication Summary:2005-2009 Ford Mustang..

Flowmaster 817568 Direct-fit Muffler 409S-..

09-18 RAM 1500 5.7L DIR-FIT MUFFLER AMTApplication Summary:2009-2010 Dodge Ram 1500; 2011-2018 Ram 1..

Flowmaster 942445 Super 44 Muffler-2.25 Ce..

2.25in.IN(C)/OUT(C) SUPER 44 SERIESApplication Summary:1987-1996 Ford F-150; 1987-1995 Ford F-250..

Flowmaster 942446 Super 44 Muffler-2.25 Of..

2.25in.IN(O)/OUT(C) SUPER 44 SERIESApplication Summary:1978-1980 Buick Regal; 1982-1987 Buick Regal;..

Flowmaster 942448 Super 44 Muffler-2.25 Of..

2.25in.IN(O)/OUT(O) SUPER 44 SERIESApplication Summary:1975-1977 Buick Skylark; 1973-1974 Chevrolet ..

Flowmaster 942545 Super 44 Muffler-2.50 Ce..

2.5in.IN(C)/OUT(C) SUPER 44 SERIES..

Flowmaster 942546 Super 44 Muffler-2.50 Of..

2.5in.IN(O)/OUT(C) SUPER 44 SERIESApplication Summary:1963-1982 Chevrolet Corvette; 1998-2002 Chevro..

Flowmaster 942548 Super 44 Muffler-2.50 Of..

2.5in.IN(O)/OUT(O) SUPER 44 SERIESApplication Summary:1975-1980 Chevrolet C10; 1967-1981 Chevrolet C..

Flowmaster 943045 Super 44 Muffler-3.00 Ce..


Flowmaster 943046 Super 44 Muffler-3.00 Of..

3in.IN(O)/OUT(C) SUPER 44 SERIESApplication Summary:1999-2004 Ford F-250 Super Duty; 1999-2004 Ford ..

Flowmaster 943048 Super 44 Muffler-3.00 Of..

3in.IN(O)/OUT(O) SUPER 44 SERIESApplication Summary:1991-1999 Chevrolet C1500; 1991-1998 Chevrolet C..

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