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 819144 Cat-back System 409S-Single Side Exit-dBX Series-Mod..

Brand: Flowmaster

Part Number: 819144

05-12 TACOMA 4.0L DBX SOS 409S05-12 TACOMA 4.0L DBX SOS 409SFlowmaster dBX performance exhaust syste..

$489.95

Fitment: Maybe

Flowmaster 842518 Super 10 Muffler 409S-2.50 Offset In/2.50 Offset Out..

Brand: Flowmaster

Part Number: 842518

2.5in.IN(O)/2.5in.OUT(O) SUPER 10 409S2.5in.IN(O)/2.5in.OUT(O) SUPER 10 409SSuper 10 Series 409S sta..

$81.55

Fitment: Maybe

Flowmaster 842541 40 Delta Muffler 409S-2.50 Offset In/2.50 Center Out..

Brand: Flowmaster

Part Number: 842541

2.5in.IN(O)/OUT(C) DELTA 40 409S2.5in.IN(O)/OUT(C) DELTA 40 409SThis two chamber design incorporates..

$112.95

Fitment: Maybe

Flowmaster 842543 40 Delta Muffler 409S-2.50 Offset In/2.50 Offset Out..

Brand: Flowmaster

Part Number: 842543

2.5in.IN(O)/OUT(O) DELTA 40 409S2.5in.IN(O)/OUT(O) DELTA 40 409SThis two chamber design incorporates..

$112.95

Fitment: Universal

Flowmaster 8425453 Super 44 Series Muffler 409S-2.5 IN (D)/3.0 OUT Cen..

Brand: Flowmaster

Part Number: 8425453

2.5in.IN(D)/3.0in.OUT(C) SUPER 44 409S2.5in.IN(D)/3.0in.OUT(C) SUPER 44 409SFlowmaster's Super 44 mu..

$96.85

Fitment: Universal

Flowmaster 8425454 Super 44 Series Muffler-2.5in.IN(D)/2.5in.OUT(D) 40..

Brand: Flowmaster

Part Number: 8425454

2.5in.IN(D)/2.5in.OUT(D) SUPER 44 409S2.5in.IN(D)/2.5in.OUT(D) SUPER 44 409SFlowmaster's Super 44 mu..

$96.85

Fitment: Maybe

Flowmaster 842546 Super 44 Series Muffler-2.50 Offset In/2.50 Center O..

Brand: Flowmaster

Part Number: 842546

2.5in.IN(O)/OUT(C) SUPER 44 409S2.5in.IN(O)/OUT(C) SUPER 44 409SFlowmaster's Super 44 muffler uses t..

$96.85

Fitment: Maybe

Flowmaster 8425461 Super 44 Series-2.50 In/Out-Mod/Agg Sound

Brand: Flowmaster

Part Number: 8425461

2.5in.IN(S)/OUT(C) SUPER 44-CAMARO 2016-20182.5in.IN(S)/OUT(C) SUPER 44-CAMARO 2016-2018Flowmaster i..

$122.95

Fitment: Maybe

Flowmaster 842547 Super 44 Series Muffler 2.50 in. Center In/2.50 in. ..

Brand: Flowmaster

Part Number: 842547

2.5in.IN(C)/2.5in.OUT(O) SUPER 44 409S2.5in.IN(C)/2.5in.OUT(O) SUPER 44 409SThe Super 44 delivers a ..

$96.85

Fitment: Maybe

Flowmaster 842548 Super 44 Series Muffler-2.50 Offset In/2.50 Offset O..

Brand: Flowmaster

Part Number: 842548

2.5in.IN(O)/OUT(O) SUPER 44 409S2.5in.IN(O)/OUT(O) SUPER 44 409SFlowmaster's Super 44 muffler uses t..

$96.85

Fitment: Maybe

Flowmaster 842551 50 Delta Muffler 409S-2.50 Offset In/2.50 Center Out..

Brand: Flowmaster

Part Number: 842551

2.5in.IN(O)/OUT(C) 50 SERIES DF 409S2.5in.IN(O)/OUT(C) 50 SERIES DF 409SThe three chamber design uti..

$132.95

Fitment: Maybe

Flowmaster 842553 50 Delta Muffler 409S-2.50 Offset In/2.50 Offset Out..

Brand: Flowmaster

Part Number: 842553

2.5in.IN(O)/OUT(O) 50 SERIES DF 409S2.5in.IN(O)/OUT(O) 50 SERIES DF 409SThe three chamber design uti..

$132.95

Fitment: Universal

Flowmaster 842580 80 Series Muffler-2.50 In/Out Same Side Out-Moderate..

Brand: Flowmaster

Part Number: 842580

2.5in.IN(O)/OUT(OSE) 80 SERIES 409S2.5in.IN(O)/OUT(OSE) 80 SERIES 409SFlowmaster's latest version of..

$132.95

Fitment: Universal

Flowmaster 8425810 Super 10 Series Muffler-2.50 Offset In/Dual Out-Agg..

Brand: Flowmaster

Part Number: 8425810

2.5in.IN(O)/OUT(D) 10 SERIES CROSSFLOW 409S2.5in.IN(O)/OUT(D) 10 SERIES CROSSFLOW 409SFlowmaster's l..

$115.95

Fitment: Maybe

Flowmaster 842516 Super 10 Muffler 409S-2.50 Offset In/2.50 Center Out..

Brand: Flowmaster

Part Number: 842516

2.5in.IN(O)/2.5in.OUT(C) SUPER 10 409S2.5in.IN(O)/2.5in.OUT(C) SUPER 10 409SFlowmaster's Super 10 Se..

$81.55

Fitment: Universal

Flowmaster 8425154 Super 10 Series Muffler-2.50 in. IN/OUT-Aggressive ..

Brand: Flowmaster

Part Number: 8425154

2.5in.IN(D)/2.5in.OUT(D) SUPER 10 409S2.5in.IN(D)/2.5in.OUT(D) SUPER 10 409SFlowmaster's Super 10 Se..

$81.55

Fitment: Universal

Flowmaster 8214400 Outlaw II Race Muffler-409S-2.25in. Center In/4in. ..

Brand: Flowmaster

Part Number: 8214400

OUTLAW 2 RACE MUFFLER 2-1/4in. PRI X 4in.OUTLAW 2 RACE MUFFLER 2-1/4in. PRI X 4in.Flowmaster's Scave..

$228.95

Fitment: Universal

Flowmaster 8250500 Outlaw II Muffler-409S-2.5 in. Center In/5.0 in. Ce..

Brand: Flowmaster

Part Number: 8250500

OUTLAW 2 RACE MUFFLER 2-1/2in. PRI X 5in.OUTLAW 2 RACE MUFFLER 2-1/2in. PRI X 5in.Flowmaster's Scave..

$240.95

Fitment: Universal

Flowmaster 8325108 10 Series Race Muffler 409S-2.50 Center In/2.50 Cen..

Brand: Flowmaster

Part Number: 8325108

10 SERIES RACE 2.50in. C/C 409S10 SERIES RACE 2.50in. C/C 409SThe 10 Series race mufflers are intend..

$112.95

Fitment: Universal

Flowmaster 8325408 40 Series Race Muffler 409S-2.50 Center In/2.50 Cen..

Brand: Flowmaster

Part Number: 8325408

40 SERIES RACE 2.50in. C/C 409S40 SERIES RACE 2.50in. C/C 409SThe Delta Force 40 series race muffler..

$122.95

Fitment: Universal

Flowmaster 8325508 50 Series Race Muffler 409S-2.50 Center In/2.50 Cen..

Brand: Flowmaster

Part Number: 8325508

50 SERIES RACE 2.50in. C/C 409S50 SERIES RACE 2.50in. C/C 409SThe Delta Force 50 series race muffler..

$137.95

Fitment: Maybe

Flowmaster 842446 Super 44 Series Muffler 409S-2.25 Offset In/2.25 Cen..

Brand: Flowmaster

Part Number: 842446

2.25in.IN(O)/OUT(C) SUPER 44 409S2.25in.IN(O)/OUT(C) SUPER 44 409SFlowmaster's Super 44 muffler uses..

$96.85

Fitment: Maybe

Flowmaster 842448 Super 44 Series Muffler-2.25 Offset In/2.25 Offset O..

Brand: Flowmaster

Part Number: 842448

2.25in.IN(O)/OUT(O) SUPER 44 409S2.25in.IN(O)/OUT(O) SUPER 44 409SFlowmaster's Super 44 muffler uses..

$96.85

Fitment: Maybe

Flowmaster 842451 50 Delta Muffler 409S-2.25 Offset In/2.25 Center Out..

Brand: Flowmaster

Part Number: 842451

2.25in.IN(O)/OUT(C) 50 SERIES DF 409S2.25in.IN(O)/OUT(C) 50 SERIES DF 409SThe three chamber design u..

$132.95

Fitment: Maybe

Flowmaster 842452 50 Delta Muffler 409S-2.25 Center In/2.25 Offset Out..

Brand: Flowmaster

Part Number: 842452

2.25in.IN(C)/OUT(O) 50 SERIES DF 409S2.25in.IN(C)/OUT(O) 50 SERIES DF 409SThe three chamber design u..

$132.95

Fitment: Maybe

Flowmaster 842453 50 Delta Muffler 409S-2.25 Offset In/2.25 Offset Out..

Brand: Flowmaster

Part Number: 842453

2.25in.IN(O)/OUT(O) 50 SERIES DF 409S2.25in.IN(O)/OUT(O) 50 SERIES DF 409SThe three chamber design u..

$132.95

Fitment: Maybe

Flowmaster 842512 Super 10 Series Muffler-2.50 in. IN/OUT-Aggressive S..

Brand: Flowmaster

Part Number: 842512

2.5in.IN(C)/2.5in.OUT(O) SUPER 10 409S2.5in.IN(C)/2.5in.OUT(O) SUPER 10 409SFlowmaster's Super 10 Se..

$81.55

Fitment: Universal

Flowmaster 842515 Super 10 Muffler 409S-2.50 Center In/2.50 Center Out..

Brand: Flowmaster

Part Number: 842515

2.5in.IN(C)/2.5in.OUT(C) SUPER 10 409S2.5in.IN(C)/2.5in.OUT(C) SUPER 10 409SSuper 10 Series 409S sta..

$81.55

Fitment: Universal

Flowmaster 8425152 Super 10 Muffler 409S-2.50 Center In/2.25 Dual Out-..

Brand: Flowmaster

Part Number: 8425152

2.5in.IN(C)/2.25in.OUT(D) SUPER 10 409S2.5in.IN(C)/2.25in.OUT(D) SUPER 10 409SSuper 10 Series 409S s..

$81.55

Fitment: Maybe

Flowmaster 842583 80 Series Muffler 409S-2.50 Offset In/2.50 Dual Out-..

Brand: Flowmaster

Part Number: 842583

2.5in.IN(O)/DUAL OUT 80 SERIES 409S2.5in.IN(O)/DUAL OUT 80 SERIES 409SThe 80 series is a cross-flow ..

$132.95

Fitment: Universal

Flowmaster 8430109 10 Series Race Muffler 409S-3.00 Center In/3.00 Cen..

Brand: Flowmaster

Part Number: 8430109

3in. C/C 10 SERIES RACE 409S3in. C/C 10 SERIES RACE 409S10 Series Delta Force Race Muffler, 3.00 in...

$112.95

Fitment: Universal

Flowmaster 8430119 10 Series Race Muffler 409S-3.00 Offset In/3.00 Cen..

Brand: Flowmaster

Part Number: 8430119

3in. O/C 10 SERIES RACE 409S3in. O/C 10 SERIES RACE 409SSingle chamber. The 10 Series race mufflers ..

$112.95

Fitment: Universal

Flowmaster 8435439 40 Series Race Muffler 409S-3.50 Offset In/3.50 Off..

Brand: Flowmaster

Part Number: 8435439

3.5in. O/O 409S 40 SERIES RACE 4X93.5in. O/O 409S 40 SERIES RACE 4X9The Delta Force 40 series race m..

$132.95

Fitment: Maybe

Flowmaster 8524553 Super 50 Muffler 409S-2.25 Dual In/3.00 Center Out-..

Brand: Flowmaster

Part Number: 8524553

2.25in. IN(D)/3in. OUT(C) SUPER 50 409S2.25in. IN(D)/3in. OUT(C) SUPER 50 409SThe Super 50 series mu..

$152.95

Fitment: Universal

Flowmaster 8525454 Super 40 Muffler 409S-2.50 Dual In/2.50 Dual Out-Ag..

Brand: Flowmaster

Part Number: 8525454

2.5in.IN(D)/2.5in.OUT(D) SUPER 40 409S2.5in.IN(D)/2.5in.OUT(D) SUPER 40 409SThe Super 40 features Fl..

$122.95

Fitment: Maybe

Flowmaster 852546 Super 40 Muffler 409S-2.50 Offset In/2.50 Center Out..

Brand: Flowmaster

Part Number: 852546

2.5in. IN(O)/OUT(C) SUPER 40 409S2.5in. IN(O)/OUT(C) SUPER 40 409SThe Super 40 features Flowmaster's..

$112.95

Fitment: Maybe

Flowmaster 852548 Super 40 Muffler 409S-2.50 Offset In/2.50 Offset Out..

Brand: Flowmaster

Part Number: 852548

2.5in. IN(O)/OUT(O) SUPER 40 409S2.5in. IN(O)/OUT(O) SUPER 40 409SThe Super 40 features Flowmaster's..

$112.95

Fitment: Maybe

Flowmaster 8525554 50 H.D. Muffler 409S-2.50 Dual In/2.50 Dual Out-Mod..

Brand: Flowmaster

Part Number: 8525554

2.50in.IN(D)/2.50in.OUT(D) 50 HD 409S2.50in.IN(D)/2.50in.OUT(D) 50 HD 409S50 series HD, three chambe..

$234.95

Fitment: Maybe

Flowmaster 852556 Super 50 Muffler 409S-2.50 Offset In/2.50 Center Out..

Brand: Flowmaster

Part Number: 852556

2.5in.IN(O)/OUT(C) SUPER 50 409S2.5in.IN(O)/OUT(C) SUPER 50 409SThe Super 50 series muffler is a lar..

$152.95

Fitment: Maybe

Flowmaster 8530452 Super 40 Muffler 409S-3.00 Center In/2.50 Dual Out-..

Brand: Flowmaster

Part Number: 8530452

3in.IN(C)/2.5in.OUT(D) SUPER 40 409S3in.IN(C)/2.5in.OUT(D) SUPER 40 409SThe Super 40 features Flowma..

$122.95

Fitment: Maybe

Flowmaster 853046 Super 40 Muffler 409S-3.00 Offset In/3.00 Center Out..

Brand: Flowmaster

Part Number: 853046

3in. IN(O)/OUT(C) SUPER 40 409S3in. IN(O)/OUT(C) SUPER 40 409SThe Super 40 features Flowmaster's Del..

$112.95

Fitment: Maybe

Flowmaster 853048 Super 40 Muffler 409S-3.00 Offset In/3.00 Offset Out..

Brand: Flowmaster

Part Number: 853048

3in. IN(O)/OUT(O) SUPER 40 409S3in. IN(O)/OUT(O) SUPER 40 409SThe Super 40 features Flowmaster's Del..

$112.95

Fitment: Universal

Flowmaster 8530552 Super 50 Muffler 409S-3.00 Center In/2.50 Dual Out-..

Brand: Flowmaster

Part Number: 8530552

3in.IN(C)/2.5in.OUT(D) SUPER 50 409S3in.IN(C)/2.5in.OUT(D) SUPER 50 409SThe Super 50 series muffler ..

$152.95

Fitment: Maybe

Flowmaster 853057 Super 50 Muffler 409S-3.00 Center In/3.00 Offset Out..

Brand: Flowmaster

Part Number: 853057

3in. IN(C)/OUT(O) SUPER 50 409S3in. IN(C)/OUT(O) SUPER 50 409SThe Super 50 series muffler is a large..

$152.95

Fitment: Maybe

Flowmaster 853072 70 Series Muffler 409S-3.00 Center In/3.00 Offset Ou..

Brand: Flowmaster

Part Number: 853072

70 SERIES BBII 3in. IN(C)/OUT(O) 409S70 SERIES BBII 3in. IN(C)/OUT(O) 409SThe 70 series utilizes Flo..

$178.95

Fitment: Universal

Flowmaster 8435419 40 Series Race Muffler 409S-3.50 Offset In/3.50 Cen..

Brand: Flowmaster

Part Number: 8435419

3.5in. O/C 409S 40 SERIES RACE 4X93.5in. O/C 409S 40 SERIES RACE 4X9The Delta Force 40 series race m..

$132.95

Fitment: Universal

Flowmaster 8435409 40 Series Race Muffler 409S-3.50 Center In/3.50 Cen..

Brand: Flowmaster

Part Number: 8435409

3.5in. C/C 409S 40 SERIES RACE 4X93.5in. C/C 409S 40 SERIES RACE 4X9The Delta Force 40 series race m..

$132.95

Fitment: Universal

Flowmaster 843015 Super 10 Muffler 409S-3.00 Center In/3.00 Center Out..

Brand: Flowmaster

Part Number: 843015

3in.IN(C)/3in.OUT(C) SUPER 10 409S3in.IN(C)/3in.OUT(C) SUPER 10 409SSuper 10 Series 409S stainless s..

$81.55

Fitment: Maybe

Flowmaster 8430152 Super 10 Muffler 409S-3.00 Center In/2.50 Dual Out-..

Brand: Flowmaster

Part Number: 8430152

3in.IN(C)/2.5in.OUT(D) SUPER 10 409S3in.IN(C)/2.5in.OUT(D) SUPER 10 409SSuper 10 Series 409S stainle..

$81.55

Fitment: Maybe

Flowmaster 843016 Super 10 Muffler 409S-3.00 Offset In/3.00 Center Out..

Brand: Flowmaster

Part Number: 843016

3.0in.IN(O)/3.0in.OUT(C) SUPER 10 409S3.0in.IN(O)/3.0in.OUT(C) SUPER 10 409SFlowmaster's Super 10 Se..

$81.55

Fitment: Maybe

Flowmaster 8430402 40 Delta Muffler 409S-3.00 Center In/2.50 Dual Out-..

Brand: Flowmaster

Part Number: 8430402

3in.IN(C)/2.5in.OUT(D) DELTA 40 409S3in.IN(C)/2.5in.OUT(D) DELTA 40 409SThis two chamber design inco..

$112.95

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