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


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


About:
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 817659 Force II Crossmember-Bac..

Brand: Flowmaster

Part Number: 817659

Force II Crossmember-Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.25 in. Dia./50 Series™ Delta..

$1,386.27

Fitment: Maybe

Flowmaster 817609 American Thunder Cat Bac..

Brand: Flowmaster

Part Number: 817609

American Thunder Cat Back Exhaust System; Dual; Dual Rear Exit; 3.0 in. Tubing; Incl. Super Outlaw M..

$1,871.75

Fitment: Maybe

Flowmaster 817606 American Thunder Cat Bac..

Brand: Flowmaster

Part Number: 817606

American Thunder Cat Back Exhaust System; Single Rear Exit; Incl.2.25in. Tubing/60 Series™ Muffler/3..

$277.57

Fitment: Maybe

Flowmaster 817603 Force II Cat Back System

Brand: Flowmaster

Part Number: 817603

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

$1,192.75

Fitment: Maybe

Flowmaster 817602 American Thunder Cat Bac..

Brand: Flowmaster

Part Number: 817602

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

$1,419.93

Fitment: Maybe

Flowmaster 817596 American Thunder Cat Bac..

Brand: Flowmaster

Part Number: 817596

American Thunder Cat Back Exhaust System; Single; Dual Rear Exit; Incl. 2.5 in. Tubing/80 Series™ Mu..

$1,002.56

Fitment: Maybe

Flowmaster 817595 dBX Cat Back Exhaust Sys..

Brand: Flowmaster

Part Number: 817595

dBX Cat Back Exhaust System; Single; Dual Rear Exit; Incl. 2.255 in. Tubing/304SdBX Muffler; No Tips..

$1,000.89

Fitment: Maybe

Flowmaster 817592 Outlaw Series™ Axle Back..

Brand: Flowmaster

Part Number: 817592

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

$868.20

Fitment: Maybe

Flowmaster 817590 Outlaw Series™ Cat Back ..

Brand: Flowmaster

Part Number: 817590

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

$1,543.09

Fitment: Maybe

Flowmaster 817588 American Thunder Axle Ba..

Brand: Flowmaster

Part Number: 817588

American Thunder Axle Back Exhaust System; Dual; Dual Rear Exit; Incl. 3.0 in. Tubing/Super 44 Serie..

$875.77

Fitment: Unknown

Flowmaster 817587 Cat-back System 409S-Dua..

Brand: Flowmaster

Part Number: 817587

Cat-back System 409S-Dual Rear Exit-American Thunder-Aggressive Sound-2013 to 2014 Ford Mustang GTFo..

$1,070.36

Fitment: Maybe

Flowmaster 817585 American Thunder Header ..

Brand: Flowmaster

Part Number: 817585

American Thunder Header Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X..

$1,366.25

Fitment: Maybe

Flowmaster 817574 American Thunder Cat Bac..

Brand: Flowmaster

Part Number: 817574

American Thunder Cat Back Exhaust System; Dual; Dual Out Rear Dumps Exit; Incl. 2.5 in. Tubing/44 Se..

$683.92

Fitment: Unknown

Flowmaster 817573 Cat-back System 409S-Dua..

Brand: Flowmaster

Part Number: 817573

09-13 GM 1500 4.8L FII DOR/S 409SFor the person who wants the look of a traditional dual exhaust sys..

$939.30

Fitment: Unknown

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

Brand: Flowmaster

Part Number: 817610

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

$782.13

Fitment: Maybe

Flowmaster 817614 American Thunder Cat Bac..

Brand: Flowmaster

Part Number: 817614

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

$1,052.61

Fitment: Maybe

Flowmaster 817658 American Thunder Cat Bac..

Brand: Flowmaster

Part Number: 817658

American Thunder Cat Back Exhaust System; Dual; Dual Rear Exit; 2.5 in. Outlet; Super 44 Delta Flow ..

$1,327.88

Fitment: Unknown

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

Brand: Flowmaster

Part Number: 817656

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

$1,354.71

Fitment: Maybe

Flowmaster 817654 American Thunder Header ..

Brand: Flowmaster

Part Number: 817654

American Thunder Header Back Exhaust System; Dual; Dual Rear Same Side Exit; Incl. 2.5 in. Tubing/Cr..

$1,139.36

Fitment: Maybe

Flowmaster 817651 Force II Cat Back System

Brand: Flowmaster

Part Number: 817651

Force II Cat Back System; Single; Dual Rear Exit; Incl. 2.5 in. Tubing/60 Series™ Mufflers/Resonator..

$2,103.64

Fitment: Maybe

Flowmaster 817647 American Thunder Cat Bac..

Brand: Flowmaster

Part Number: 817647

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

$1,207.76

Fitment: Maybe

Flowmaster 817645 Outlaw Series™ Cat Back ..

Brand: Flowmaster

Part Number: 817645

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

$1,666.54

Fitment: Maybe

Flowmaster 817640 Force II Cat Back System

Brand: Flowmaster

Part Number: 817640

Force II Cat Back System; Single; Single Side Exit; Incl. 3.5 in. Tubing/4 in. Polished 304 Embossed..

$1,139.36

Fitment: Maybe

Flowmaster 817637 American Thunder Cat Bac..

Brand: Flowmaster

Part Number: 817637

American Thunder Cat Back Exhaust System; Single; Dual Rear Exit; Incl. 2.25 in. Tubing/Muffler/Dual..

$1,167.72

Fitment: Maybe

Flowmaster 817633 Outlaw® Series Direct Fi..

Brand: Flowmaster

Part Number: 817633

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

$648.92

Fitment: Maybe

Flowmaster 817627 Force II Cat Back System

Brand: Flowmaster

Part Number: 817627

Force II Cat Back System; Single; Dual Rear Exit; Incl. 2.5/2.25 in. Tubing; dBX Series™ Muffler; 3...

$1,396.28

Fitment: Maybe

Flowmaster 817621 Force II DPF-Back Exhaus..

Brand: Flowmaster

Part Number: 817621

Force II DPF-Back Exhaust System; Single; Single Side Exit; 4 in. Tubing; Incl. Outlaw Series Muffle..

$1,211.10

Fitment: Maybe

Flowmaster 817618 Force II Cat Back System

Brand: Flowmaster

Part Number: 817618

Force II Cat Back System; Dual; Dual Rear Exit; Incl. 2.5 in. Outlet/Super 44 Series™ Mufflers/Scave..

$1,578.12

Fitment: Maybe

Flowmaster 817615 dBX Cat Back Exhaust Sys..

Brand: Flowmaster

Part Number: 817615

dBX Cat Back Exhaust System; Single; Single Side Exit; Incl. 3 in. Tubing/dBX Muffler/4 in. Polished..

$930.82

Fitment: Maybe

Flowmaster 817568 50 Series™ Heavy Duty Mu..

Brand: Flowmaster

Part Number: 817568

50 Series™ Heavy Duty Muffler; 3.0 in. Offset Inlet/2.25 in. Dual Outlet; Moderate Sound; 409S Stain..

$744.41

Fitment: Maybe

Flowmaster 817567 American Thunder Cat Bac..

Brand: Flowmaster

Part Number: 817567

American Thunder Cat Back Exhaust System; Single; Single Side Exit; Incl. 3 in. Tubing/Super 50 Seri..

$1,177.73

Fitment: Maybe

Flowmaster 817565 Force II Cat Back System

Brand: Flowmaster

Part Number: 817565

Force II Cat Back System; Single; Dual Rear Exit; Incl. 2.25 in. Tubing/Super 50 Series™ Delta Flow ..

$1,202.76

Fitment: Maybe

Flowmaster 817529 American Thunder Cat Bac..

Brand: Flowmaster

Part Number: 817529

American Thunder Cat Back Exhaust System; Single; Dual Rear Same Side Exit; Incl. 2.5in. Tubing/Supe..

$1,227.78

Fitment: Unknown

Flowmaster 817527 Cat-back System 409S-Sin..

Brand: Flowmaster

Part Number: 817527

Cat-back System 409S-Single Rear Exit-Force II-Mild SoundFor the person who wants a subtle custom ap..

$640.98

Fitment: Maybe

Flowmaster 817523 Force II Cat Back System

Brand: Flowmaster

Part Number: 817523

Force II Cat Back System; Single; Single Side Exit; Incl. 3 in. Tubing/Super 50 Series™ Muffler/3.5 ..

$1,009.23

Fitment: Maybe

Flowmaster 817522 American Thunder Cat Bac..

Brand: Flowmaster

Part Number: 817522

American Thunder Cat Back Exhaust System; Single; Dual Rear Same Side Exit; Incl. 2.5 in. Tubing/Sup..

$1,144.37

Fitment: Maybe

Flowmaster 817519 American Thunder Cat Bac..

Brand: Flowmaster

Part Number: 817519

American Thunder Cat Back Exhaust System; Single; Single Side Exit; Incl. 2.5 in./3 in. Tubing/Super..

$790.69

Fitment: Maybe

Flowmaster 817517 Force II Axle Back Exhau..

Brand: Flowmaster

Part Number: 817517

Force II Axle Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing/80 Series™ Mufflers/3...

$1,609.82

Fitment: Maybe

Flowmaster 817516 Outlaw Series™ Axle Back..

Brand: Flowmaster

Part Number: 817516

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

$857.58

Fitment: Maybe

Flowmaster 817515 Outlaw Series™ Cat Back ..

Brand: Flowmaster

Part Number: 817515

Outlaw Series™ Cat Back Exhaust System; Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Muffl..

$1,152.91

Fitment: Maybe

Flowmaster 817514 Force II Cat Back System

Brand: Flowmaster

Part Number: 817514

Force II Cat Back System; Single; Single Rear Exit; Incl. 2.5 in. Tubing/Super 50 Series™ Muffler/3 ..

$1,010.90

Fitment: Maybe

Flowmaster 817513 American Thunder Cat Bac..

Brand: Flowmaster

Part Number: 817513

American Thunder Cat Back Exhaust System; Single; Single Side Exit; Incl. 3 in. Tubing/50 Series™ HD..

$947.51

Fitment: Maybe

Flowmaster 817512 Force II Axle Back Exhau..

Brand: Flowmaster

Part Number: 817512

Force II Axle Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing/60 Series™ Mufflers/3...

$1,753.30

Fitment: Maybe

Flowmaster 817511 Outlaw Series™ Axle Back..

Brand: Flowmaster

Part Number: 817511

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

$848.74

Fitment: Maybe

Flowmaster 817510 Force II Cat Back System

Brand: Flowmaster

Part Number: 817510

Force II Cat Back System; Dual; Dual Rear Exit; Incl. 2.25 in. Tubing/60 Series™ Mufflers/3.5 in. Po..

$1,186.07

Fitment: Maybe

Flowmaster 817533 American Thunder Cat Bac..

Brand: Flowmaster

Part Number: 817533

American Thunder Cat Back Exhaust System; Single; Single Side Exit; Incl. 3 in. Tubing/70 Series™ Mu..

$1,014.24

Fitment: Maybe

Flowmaster 817538 Force II Cat Back System

Brand: Flowmaster

Part Number: 817538

Force II Cat Back System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing/Delta Flow 50 Series™ Mufflers;..

$1,694.91

Fitment: Maybe

Flowmaster 817563 Outlaw Series™ Cat Back ..

Brand: Flowmaster

Part Number: 817563

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

$1,753.30

Fitment: Maybe

Flowmaster 817560 Outlaw Series™ Cat Back ..

Brand: Flowmaster

Part Number: 817560

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

$1,421.30

Fitment: Maybe

Flowmaster 817558 American Thunder Cat Bac..

Brand: Flowmaster

Part Number: 817558

American Thunder Cat Back Exhaust System; Single; Single Rear Exit; Incl. 2.5 in. Tubing/Super 50 Se..

$750.65

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