FlowMaster

FlowMaster

Performance Aftermarket Exhaust Systems

Flowmaster has been designing and developing exhaust systems since 1983. All Flowmaster products are researched and manufacture right here in the U.S. Flowmaster started in California with the racing scene. Their team was dissatisfied with exhaust standards and strove to find a solution to quieting the race cars without sacrificing performance. They succeeded and become a leader in aftermarket exhaust systems for a huge variety of vehicles. Flowmaster’s R & D team works tirelessly to produce unique solutions for individual vehicles. When Flowmaster says a particular system is for a Wrangler, the system is developed into a direct bolt on design, utilizing the shape of the body for a peerless fit. Each system is dyno tested and proven before being sent out into the consumer market. The product development doesn’t stop there. Flowmaster is always willing to hear feedback from their customers, so they can continue to improve.


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  1. FlowMaster 40 Series Aluminized Steel Muffler For 1979-86 Jeep CJ Series 42541
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    FlowMaster 40 Series Aluminized Steel Muffler For 1979-86 Jeep CJ Series 42541
    SKU: FLM-42541
    Special Price $96.90 Regular Price $121.12
    FlowMaster 40 Series Aluminized Steel Muffler For 1979-86 Jeep CJ Series Material: Aluminized Steel Inlet: Diameter/Location 2.5 in. / Center Outlet: Diameter/Location 2.5 in. / Offset Mflr Case Size (LxWxH) 13 in. x 9.75 in. x 4 in. Warranty FlowMaster 3-Year or Limited Lifetime Warranty. The Original 40 Series muffler delivers an aggressive exterior and interior tone. If you're looking for that original " FlowMaster Sound " this is the muffler is for you. Constructed of... Read More Learn More
  2. FlowMaster 50 Series Delta Flow Aluminized Steel Muffler For 1979-86 Jeep CJ Series 942551
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    FlowMaster 50 Series Delta Flow Aluminized Steel Muffler For 1979-86 Jeep CJ Series 942551
    SKU: FLM-942551
    Special Price $144.90 Regular Price $181.12
    FlowMaster 50 Series Delta Flow Aluminized Steel Muffler For 1979-86 Jeep CJ Series Material: Aluminized Steel Inlet: Diameter/Location 2.5 in. / Center Outlet: Diameter/Location 2.5 in. / Offset Mflr Case Size (LxWxH) 17 in. x 9.75 in. x 4 in. Warranty FlowMaster 3-Year or Limited Lifetime Warranty. The three chamber design utilizes FlowMaster's patented Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same... Read More Learn More
  3. FlowMaster 50 Series Delta Aluminized Steel Muffler For 1979-86 Jeep CJ Series 942051
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    FlowMaster 50 Series Delta Aluminized Steel Muffler For 1979-86 Jeep CJ Series 942051
    SKU: FLM-942051
    Special Price $138.30 Regular Price $172.88
    FlowMaster 50 Series Delta Aluminized Steel Muffler For 1979-86 Jeep CJ Series Material: Aluminized Steel Inlet: Diameter/Location 2 in. / Center Outlet: Diameter/Location 2 in. / Offset Mflr Case Size (LxWxH) 17 in. x 9.75 in. x 4 in. Warranty FlowMaster 3-Year or Limited Lifetime Warranty. The three chamber design utilizes FlowMaster's patented Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and... Read More Learn More
  4. FlowMaster 50 Series Delta Stainless Steel Muffler For 1979-86 Jeep CJ Series 842551
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    FlowMaster 50 Series Delta Stainless Steel Muffler For 1979-86 Jeep CJ Series 842551
    SKU: FLM-842551
    Special Price $156.19 Regular Price $195.24
    FlowMaster 50 Series Delta Stainless Steel Muffler For 1979-86 Jeep CJ Series Material: Stainless Steel Inlet: Diameter/Location 2.5 in. / Center Outlet: Diameter/Location 2.5 in. / Offset Mflr Case Size (LxWxH) 17 in. x 9.75 in. x 4 in. Warranty FlowMaster 3-Year or Limited Lifetime Warranty. The three chamber design utilizes FlowMaster's patented Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and... Read More Learn More
  5. FlowMaster Super 44 Series 409 Stainless Steel Muffler For 1979-86 Jeep CJ Series 842546
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    FlowMaster Super 44 Series 409 Stainless Steel Muffler For 1979-86 Jeep CJ Series 842546
    SKU: FLM-842546
    Special Price $114.78 Regular Price $143.47
    FlowMaster Super 44 Series 409 Stainless Steel Muffler For 1979-86 Jeep CJ Series Material: Stainless Steel Inlet: Diameter/Location 2.5 in. / Center Outlet: Diameter/Location 2.5 in. / Offset Mflr Case Size (LxWxH) 13 in. x 9.75 in. x 4 in. Warranty FlowMaster 3-Year or Limited Lifetime Warranty. FlowMaster's Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a rich powerful tone and are the most aggressive,... Read More Learn More
  6. FlowMaster 40 Series Stainless Steel Muffler For 1979-86 Jeep CJ Series 8042541
    -20%
    FlowMaster 40 Series Stainless Steel Muffler For 1979-86 Jeep CJ Series 8042541
    SKU: FLM-8042541
    Special Price $110.07 Regular Price $137.59
    FlowMaster 40 Series Stainless Steel Muffler For 1979-86 Jeep CJ Series Material: Stainless Steel Inlet: Diameter/Location 2.5 in. / Center Outlet: Diameter/Location 2.5 in. / Offset Mflr Case Size (LxWxH) 13 in. x 9.75 in. x 4 in. Warranty FlowMaster 3-Year or Limited Lifetime Warranty. The Original 40 Series muffler delivers an aggressive exterior and interior tone. If you're looking for that original " FlowMaster Sound " this is the muffler is for you. Constructed of... Read More Learn More
  7. FlowMaster 40 Series Delta Aluminized Steel Muffler For 1980-86 Jeep CJ Series With 4 Cyl 942041
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    FlowMaster 40 Series Delta Aluminized Steel Muffler For 1980-86 Jeep CJ Series With 4 Cyl 942041
    SKU: FLM-942041
    Special Price $119.48 Regular Price $149.35
    FlowMaster 40 Series Delta Aluminized Steel Muffler For 1980-86 Jeep CJ Series With 4 Cyl Material: Aluminized Steel Inlet: Diameter/Location 2 in. / Center Outlet: Diameter/Location 2 in. / Offset Mflr Case Size (LxWxH) 13 in. x 9.75 in. x 4 in. Warranty FlowMaster 3-Year or Limited Lifetime Warranty. This two chamber design incorporates FlowMaster's patented Delta Flow technology. The "Delta" deflectors generate increased scavenging for better performance and reduced... Read More Learn More
  8. FlowMaster Super 44 series Aluminized Steel Muffler For 1979-86 Jeep CJ Series 942546
    -20%
    FlowMaster Super 44 series Aluminized Steel Muffler For 1979-86 Jeep CJ Series 942546
    SKU: FLM-942546
    Special Price $104.42 Regular Price $130.53
    FlowMaster Super 44 series Aluminized Steel Muffler For 1979-86 Jeep CJ Series Material: Aluminized Steel Inlet: Diameter/Location 2.5 in. / Center Outlet: Diameter/Location 2.5 in. / Offset Mflr Case Size (LxWxH) 13 in. x 9.75 in. x 4 in. Warranty FlowMaster 3-Year or Limited Lifetime Warranty. FlowMaster's Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a powerful rich tone and is the most aggressive,... Read More Learn More

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