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.

Fitment: Maybe

Flowmaster 817549 Cat-back System 409S-Sin..

Cat-back System 409S-Single Side Exit-Force II-Mild/Moderate SoundFor the person who wants a subtle ..


Fitment: Maybe

Flowmaster 817610 Cat-back System 409S-Sin..

Cat-back System 409S-Single Rear Exit-dBX-Moderate SoundThis 409S stainless steel dBX Cat-back exhau..


Fitment: Maybe

Flowmaster 817626 Cat-back System 409S-Sin..

Cat-back System 409S-Single Side Exit-Force II-Mild/Moderate SoundFlowmaster Force II systems are we..


Fitment: Maybe

Flowmaster 817633 09-18 RAM 1500 5.7L DIR-..

Outlaw® Series Direct Fit Muffler; Dual Rear Exit; 3.0 in. Inlet; 2.25 Outlet; Oval; 3 in. Tubing; W..


Fitment: Maybe

Flowmaster 817639 Cat-back System 409S-Sin..

Cat-back System 409S-Single Rear Exit-American Thunder-Moderate Sound-1999 to 2002 Chevrolet Cavalie..


Fitment: Maybe

Flowmaster 817641 Axle-back-Single Side Ex..

2013 RAM DIESEL 6.7L FII SOS 409SFlowmaster's Force II DPF-back exhaust system for the 2013 Ram 2500..


Fitment: Maybe

Flowmaster 817644 Axle-back-Dual Side Exit..

Axle-back System 409S-Dual Side Exit-Force II-After DPF-Mild/Moderate SoundFlowmaster's Force II DPF..


Fitment: Maybe

Flowmaster 817645 09-14 CHALLENGER R/T OTL..

Outlaw Series™ Cat Back Exhaust System; Dual; Dual Rear Exit; Incl. 3.0 in. Tubing/Outlaw Series™ Mu..


Fitment: Maybe

Flowmaster 817656 Cat-back System 409S-Dua..

Cat-back System 409S-Dual Rear Exit-American Thunder-Moderate/Aggressive-2014-2015 Chevrolet Camaro ..


Fitment: Maybe

Flowmaster 817662 Cat-Back System 409S-Dua..

Cat-Back System 409S-Dual Rear Exit-American Thunder-Moderate Sound-1975-1979 Chevrolet CorvetteFlow..


Fitment: Maybe

Flowmaster 817663 98-03 FORD F150 ALL AMT ..

American Thunder Cat Back Exhaust System; Dual; Dual Rear Same Side Exits; 2.5 in. ; Super 40 Series..


Fitment: Maybe

Flowmaster 817664 09-19 TUNDRA V8 AMT DOR/..

American Thunder Cat Back Exhaust System; Dual; Dual Rear Same Side Exit; 2.5 in. Tubing; 40 Series ..


Fitment: Maybe

Flowmaster 817666 14-19 GM1500 4.3L/5.3L C..

Force II Cat Back System; Dual; Dual Rear Same Side Exit; 2.5 in. Tubing; Incl. 2.5 in. Tailpipes/Su..


Fitment: Maybe

Flowmaster 817603 11-18 GM 1500 143" WB 6...

Force II Cat Back System; Single; Single Rear Exit; Incl. 3.5 in. Inlet/50 Series™ Big Block Muffler..


Fitment: Maybe

Flowmaster 817602 11-18 GM 1500 CC-EC 6.2L..

American Thunder Cat Back Exhaust System; Dual; Dual Out Rear Side Exit; Incl. 2.5 in. Tubing/50 Ser..


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