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Flowmaster
In 1983, Flowmaster founder Ray Flugger created Flowmaster's first patented design of racing muffler.

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Items 1-25 of 25
Description: Exhaust System, American Thunder, Header-Back, 2-1/2 in Tailpipe, 2-1/2 in Tips, Steel, Aluminized, GM Fullsize Truck 1973-87, Kit
Item #: FLO17742
Condition: New
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Price: $830.00
Sale: $672.26
Save: 19%
Save: $157.74


Description: Exhaust System, American Thunder, Header-Back, 2-1/2 in Tailpipe, Steel, Aluminized, Ford Mustang 1964-66, Kit
Item #: FLO17273
Condition: New
Limited Supply: Only 5 Left!
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This item has an additional $ $41.95 shipping charge due to its large size and/or weight.
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Price: $830.00
Sale: $672.26
Save: 19%
Save: $157.74

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Description: Exhaust System, American Thunder, Header-Back, 3 in Tailpipe, Steel, Aluminized, GM A-Body 1964-67, Kit
Item #: FLO17202
Condition: New
Limited Supply: Only 6 Left!
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This item has an additional $69.95 shipping charge due to its large size and/or weight. Ships from Michigan.
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Price: $943.00
Sale: $774.97
Save: 18%
Save: $168.03

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Description: Exhaust System, American Thunder, Header-Back, 2-1/2 in Tailpipe, 2-1/2 in Tips, Steel, Aluminized, GM A-Body, Kit
Item #: FLO17120
Condition: New
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Price: $830.00
Sale: $672.26
Save: 19%
Save: $157.74


Description: Exhaust System, American Thunder, Header-Back, 2-1/2 in Tailpipe, Steel, Aluminized, GM A-Body 1964-72, Kit
Item #: FLO17119
Condition: New
Limited Supply: Only 4 Left!
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Price: $762.00
Sale: $616.46
Save: 19%
Save: $145.54


Description: Exhaust System, American Thunder, Header-Back, 2-1/2 in Tailpipe, Steel, Aluminized, GM F-Body 1967-68, Kit
Item #: FLO17129
Condition: New
Limited Supply: Only 8 Left!
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Price: $668.00
Sale: $540.86
Save: 19%
Save: $127.14




Not available for shipment to Alaska or Hawaii.
Description: Exhaust System, American Thunder, Header-Back, 3 in Tailpipe, Steel, Aluminized, GM F-Body 1967-69, Kit
Item #: FLO17201
Condition: New
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Price: $937.00
Sale: $758.66
Save: 19%
Save: $178.34


Description: Exhaust System, American Thunder, Header-Back, 2-1/2 in Tailpipe, Steel, Aluminized, Ford Mustang 1967-70, Kit
Item #: FLO17282
Condition: New
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Price: $648.00
Sale: $524.66
Save: 19%
Save: $123.34


Description: Exhaust System, American Thunder, Header-Back, 2-1/2 in Tailpipe, 3 in Tips, Steel, Aluminized, Ford Mustang 1967-70, Kit
Item #: FLO17281
Condition: New
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Price: $735.00
Sale: $594.86
Save: 19%
Save: $140.14


Description: Exhaust System, American Thunder, Header-Back, 3 in Tailpipe, 3 in Tips, Steel, Aluminized, Ford Mustang 1967-70, Kit
Item #: FLO17382
Condition: New
Limited Supply: Only 6 Left!
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Price: $1,003.00
Sale: $811.76
Save: 19%
Save: $191.24


Description: Exhaust System, American Thunder, Header-Back, 3 in Tailpipe, Steel, Aluminized, GM A-Body 1968-72, Kit
Item #: FLO17200
Condition: New
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Price: $954.00
Sale: $772.16
Save: 19%
Save: $181.84


Description: Exhaust System, American Thunder, Header-Back, 2-1/2 in Tailpipe, 2-1/2 in Tips, Steel, Aluminized, GM F-Body 1969, Kit
Item #: FLO17139
Condition: New
Limited Supply: Only 2 Left!
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Price: $760.00
Sale: $683.95
Save: 10%
Save: $76.05

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Description: Exhaust System, American Thunder, Header-Back, 2-1/2 in Tailpipe, 2-1/2 in Tips, Steel, Aluminized, GM F-Body 1970-74, Kit
Item #: FLO17149
Condition: New
Limited Supply: Only 1 Left!
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Price: $830.00
Sale: $672.26
Save: 19%
Save: $157.74


NEW!
Description: Exhaust System, American Thunder, Header-Back, 2-1/2 in Diameter, Dual Rear Exit, Stainless, Natural, Chevy V8, GM X-Body 1968-74, Kit
Item #: FLO817158
Condition: New
Limited Supply: Only 2 Left!
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Price: $823.00
Sale: $665.96
Save: 19%
Save: $157.04


NEW!
Description: Exhaust System, American Thunder, Header-Back, 2-1/2 in Tailpipe, Stainless, Natural, GM Fullsize Truck 1963-66, Kit
Item #: FLO817937
Condition: New
Limited Supply: Only 3 Left!
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Price: $760.00
Sale: $615.56
Save: 19%
Save: $144.44


NEW!
Description: Exhaust System, American Thunder, Header-Back, 2-1/2 in Tailpipe, Stainless, Natural, Ford Fullsize Truck 1967-72, Kit
Item #: FLO817938
Condition: New
Limited Supply: Only 9 Left!
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This item has an additional $ $44.95 shipping charge due to its large size and/or weight.
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Price: $767.00
Sale: $645.97
Save: 16%
Save: $121.03


Description: Exhaust System, American Thunder, Header-Back, 2-1/2 in Tailpipe, 2-1/2 in Tips, Stainless, Natural, GM Fullsize Truck 1967-72, Kit
Item #: FLO817654
Condition: New
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This item has an additional $74.95 shipping charge due to its large size and/or weight. Ships from Michigan.
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Price: $898.00
Sale: $727.16
Save: 19%
Save: $170.84


Description: Exhaust System, American Thunder, Header-Back, 2-1/2 in Tailpipe, 2-1/2 in Tips, Steel, Aluminized, GM Fullsize Truck 1967-72, Kit
Item #: FLO17654
Condition: New
Same Day Shipping!
FREE SHIPPING! Oversize Fees Waived On This Item! Ships from Michigan.
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Price: $786.00
Sale: $636.26
Save: 19%
Save: $149.74




Not available for shipment to Alaska or Hawaii.
Description: Exhaust System, American Thunder, Header-Back, 2-1/2 in Tailpipe, Steel, Aluminized, GM F-Body / X-Body 1967-74, Kit
Item #: FLO17104
Condition: New
Limited Supply: Only 5 Left!
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Price: $742.00
Sale: $600.26
Save: 19%
Save: $141.74


Description: Exhaust System, Pipe Kit, Header-Back, 2-1/2 in Tailpipe, Steel, Aluminized, GM A-Body 1964-72, Kit
Item #: FLO17107
Condition: New
Limited Supply: Only 8 Left!
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Price: $513.00
Sale: $414.86
Save: 19%
Save: $98.14


Description: Exhaust System, American Thunder, Header-Back, 2-1/2 in Tailpipe, Stainless, Natural, GM F-Body 1967-68, Kit
Item #: FLO817129
Condition: New
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FREE SHIPPING! Oversize Fees Waived On This Item! Ships from Michigan.
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Price: $847.00
Sale: $685.76
Save: 19%
Save: $161.24


Description: Exhaust System, American Thunder, Header-Back, 3 in Tailpipe, Stainless, Natural, GM A-Body 1968-72, Kit
Item #: FLO817200
Condition: New
Limited Supply: Only 6 Left!
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FREE SHIPPING! Oversize Fees Waived On This Item! Ships from Michigan.
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Price: $1,160.00
Sale: $939.56
Save: 19%
Save: $220.44


Description: Exhaust System, American Thunder, Header-Back, 2-1/2 in Tailpipe, Stainless, Natural, GM F-Body / X-Body 1967-74, Kit
Item #: FLO817104
Condition: New
Limited Supply: Only 1 Left!
Same Day Shipping!
FREE SHIPPING! Oversize Fees Waived On This Item! Ships from Michigan.
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Price: $978.00
Sale: $879.95
Save: 10%
Save: $98.05

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Description: Exhaust System, American Thunder, Header-Back, 2-1/2 in Tailpipe, Stainless, Natural, GM A-Body 1968-72, Kit
Item #: FLO817409
Condition: New
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Price: $864.00
Sale: $699.26
Save: 19%
Save: $164.74


Description: Exhaust Pipe Kit, U-Fit, Header-Back, 2-1/2 in Pipe Diameter, Stainless, Universal, Kit
Item #: FLO815936
Condition: New
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Price: $540.00
Sale: $437.36
Save: 19%
Save: $102.64


Items 1-25 of 25

More About Flowmaster

Pit Stop USA is The Online Motorsports Superstore! We feature Flowmaster Mufflers, Flowmaster Racing Mufflers and Flowmaster Exhaust Systems. In 1983 California Sprint Car racers were experiencing 'excessive sound' issues and were told to quiet the cars down or stop racing. Flowmaster founder Ray Flugger created Flowmaster's first patented design of racing mufflers. Ray attached handles to ease carrying the race mufflers, and the mufflers became known as the "suitcase muffler. Today Flowmaster is dedicated to building the highest quality U.S. made exhaust products available. The aFlowmaster Sounda is the true tone of American muscle and performance. What makes Flowmaster so unique is that its performance improvement is paired with its unique exhaust tones. The aFlowmaster Sounda is offered in many different tones depending upon the muffler series. From the deep, aggressive tone of the Super 44 a" to the quiet and subtle, but unmistakably rich Flowmaster tone of the 70 Seriesa", Flowmasters family of mufflers offer the right application of performance and sound you want. Flowmaster operates the only exhaust Research & Design facilities of its kind in the world and also utilizes Spectrum Analyzers to fine "tune" the sound of each series of mufflers, both for peak performance and just the right sound levels and tones. Flowmaster offers you the choice of sound to fit your sound preference from "wild to mild" and of your specific vehicle needs. We feature Flowmaster Delta-Force Race Mufflers, Flowmaster Scavenger Series Race Mufflers, Flowmaster Scavenger Collectors, Flowmaster Low Profile Mufflers, Flowmaster Delta Flow Stainless Steel Mufflers, Flowmaster American Thunder Exhaust Systems, Flowmaster Force II Exhaust Systems, Flowmaster 40 Series Delta Flow Mufflers, Flowmaster 40 Series Mufflers, Flowmaster Super 40 Series Mufflers, Flowmaster 50 Series Delta Flow Mufflers, Flowmaster Stainless Steel Mufflers and more at low everyday prices!