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

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BB Chevy Headers
PitStopUSA.com offers a variety of Big Block Chevrolet Headers from the biggest brands in drag racing including Dynatech Big Block Chevrolet Headers, Flowtech Big Block Chevrolet Headers, Hedman...More Details »
Catalytic Converters
The most important part of the emission control system. Using a combination of heat and precious metals to promote a chemical reaction to convert pollutants into less harmful emissions before they leave the exhaust system.
Chevrolet 2500/3500 Exhaust Systems And Components
Pit Stop USA sells all the products you need for your 3/4 and 1-ton GMC or Chevrolet Trucks including Exhaust Systems And Components.
Chevrolet 2500/3500 Mufflers and Resonators
Pit Stop USA sells all the products you need for your 3/4 and 1-ton GMC or Chevrolet Trucks including Mufflers and Resonators.
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Flowmaster Products

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Items 1-25 of 472
Description: 10 Series Delta Force Race Muffler, 3.50" IN (C) / OUT (C), 16 Gauge Aluminized Steel More Details »
Item #: FLO9435109
Condition: New
Limited Supply: Only 2 Left!
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Price: $138.98
Sale: $106.32
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Description: 10 Series Delta Force Race Muffler, 2.50" IN (C) / OUT (C), 16 Gauge Aluminized Steel More Details »
Item #: FLO325108
Condition: New
Limited Supply: Only 6 Left!
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Ships from Michigan.
Price: $124.49
Sale: $95.24
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Description: 10 Series Delta Force Race Muffler, 3.00" IN (C) / OUT (C), 16 Gauge Aluminized Steel More Details »
Item #: FLO9430109
Condition: New
Limited Supply: Only 2 Left!
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FREE SHIPPING! Ships from Michigan.
Price: $130.33
Sale: $99.70
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Description: 10 Series Delta Force Race Muffler, 3.00" IN (O) / OUT (C), 16 Gauge Aluminized Steel More Details »
Item #: FLO9430119
Condition: New
Limited Supply: Only 3 Left!
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$9.95 Flat Rate Shipping. Oversized / Overweight Item. Ships from Michigan.
Price: $138.98
Sale: $106.32
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Not legal for sale or use in California.
Description: Catalytic Converter, 2 in Inlet/Dual Outlet, 7-1/4 x 4 in Case, 17 in Long, Stainless More Details »
Item #: FLO2904220
Condition: New
Limited Supply: Only 1 Left!
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Price: $167.89
Sale: $128.44
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Description: Exhaust X-Pipe, 2-1/2 in Diameter, Stainless, Natural, Ford Coyote, Ford Mustang 2015-16 More Details »
Item #: FLO81109
Condition: New
Limited Supply: Only 4 Left!
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Price: $343.64
Sale: $262.88
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Not legal for sale or use in California.
Description: Catalytic Converter, 2-1/2 in Inlet/Outlet, 7-1/4 x 4 in Case, 16-1/2 in Long, Stainless More Details »
Item #: FLO2900225
Condition: New
Limited Supply: Only 1 Left!
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Price: $142.04
Sale: $108.66
Save: 24%
Save: $33.38
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Not legal for sale or use in California.
Description: Catalytic Converter, 2-1/4 in Inlet/Outlet, 7-1/4 x 4 in Case, 16-1/2 in Long, Stainless More Details »
Item #: FLO2900224
Condition: New
Limited Supply: Only 1 Left!
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Price: $142.04
Sale: $108.66
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Description: Exhaust Y-Pipe, 2-1/4 in Inlets/Outlet, Stainless, Natural, Ford EcoBoost 4-Cylinder, Ford Mustang 2015-16 More Details »
Item #: FLO81108
Condition: New
Limited Supply: Only 0 Left!
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Price: $329.82
Sale: $252.32
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Description: Catalytic Converter, 282 Series, 2 in Inlet/Outlet, 5 x 4 in Case, 16 in Long, O2 Sensor Port, Stainless More Details »
Item #: FLO2820120
Condition: New
Limited Supply: Only 2 Left!
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Price: $198.60
Sale: $137.60
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Description: Catalytic Converter, 282 Series, 2.5 in Inlet/Outlet, 7.5 x 4 in Case, 16.5 in Long, Stainless More Details »
Item #: FLO2822225
Condition: New
Limited Supply: Only 6 Left!
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Price: $222.64
Sale: $169.14
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Description: Exhaust Pipe Bend Kit, 3 in Diameter, One End Expanded, Mandrel, Two 4 in/Two 6 in/Two 8 in Bend, 16 Gauge, Steel, Natural More Details »
Item #: FLO15927
Condition: New
Limited Supply: Only 1 Left!
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Price: $198.38
Sale: $151.76
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Description: Exhaust X-Pipe, 3 in Diameter, Stainless, Natural, Automatic Transmission, GM GenV Lt-Series, Chevy Camaro 2016-17 More Details »
Item #: FLO81084
Condition: New
Limited Supply: Only 1 Left!
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Price: $937.88
Sale: $717.48
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Description: Exhaust X-Pipe, 3 in Diameter, Stainless, Natural, Manual Transmission, GM GenV Lt-Series, Chevy Camaro 2016-17 More Details »
Item #: FLO81083
Condition: New
Limited Supply: Only 0 Left!
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Price: $401.94
Sale: $307.49
Save: 23%
Save: $94.45
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Not legal for sale or use in California.
Description: Catalytic Converter, 3 in Inlet/Outlet, 7-1/4 x 4 in Case, 16-1/2 in Long, Stainless More Details »
Item #: FLO2900230
Condition: New
Limited Supply: Only 1 Left!
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FREE SHIPPING! Ships from Michigan.
Price: $147.06
Sale: $112.50
Save: 24%
Save: $34.56
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Not legal for sale or use in California.
Description: Catalytic Converter, 3 in Inlet/Outlet, 7-1/4 x 4 in Case, 16-1/2 in Long, Stainless More Details »
Item #: FLO2822230
Condition: New
Limited Supply: Only 1 Left!
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Price: $231.13
Sale: $171.00
Save: 26%
Save: $60.13
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Description: 30 Series Delta Force Race Muffler, 3.50" IN (O) / OUT (C), 16 Gauge Aluminized Steel More Details »
Item #: FLO53531-12
Condition: New
Limited Supply: Only 0 Left!
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FREE SHIPPING! Ships from Michigan.
Price: $231.68
Sale: $177.24
Save: 23%
Save: $54.44
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Description: 30 Series Delta Force Race Muffler, 4.00" IN (C) / OUT (C), 16 Gauge Aluminized Steel More Details »
Item #: FLO54030-12
Condition: New
Limited Supply: Only 2 Left!
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FREE SHIPPING! Ships from Michigan.
Price: $231.68
Sale: $177.24
Save: 23%
Save: $54.44
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Description: 30 Series Delta Force Race Muffler, 4.00" IN (O) / OUT (C), 16 Gauge Aluminized Steel More Details »
Item #: FLO54031-12
Condition: New
Limited Supply: Only 2 Left!
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FREE SHIPPING! Ships from Michigan.
Price: $231.68
Sale: $177.24
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Description: Muffler, 30 Series Delta Force, 5 in Center Inlet/Outlet, 16 x 14 x 6 in Oval Body 20 in Long, Steel, Aluminized, Universal, Each. More Details »
Item #: FLO965030-14
Condition: New
Limited Supply: Only 0 Left!
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FREE SHIPPING! Oversized / Overweight Fees Waived On This Item! Ships from Michigan.
Price: $360.26
Sale: $275.60
Save: 23%
Save: $84.66
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Description: 40 Series Delta Flow Muffler, 3.00" IN (O) / OUT (O), Opposite Side Offsets, 16 Gauge Aluminized Steel More Details »
Item #: FLO943043
Condition: New
Limited Supply: Only 4 Left!
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Price: $130.33
Sale: $99.70
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Description: 40 Series Delta Flow Muffler, 2.50" IN (C) / 2.25" OUT (D), 16 Gauge Aluminized Steel More Details »
Item #: FLO9425422
Condition: New
Limited Supply: Only 2 Left!
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Price: $130.33
Sale: $99.70
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Description: 40 Series Delta Flow Muffler, 2.00" IN (C) / OUT (O): ea, 16 Gauge Aluminized Steel More Details »
Item #: FLO942042
Condition: New
Limited Supply: Only 3 Left!
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Price: $130.33
Sale: $99.70
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Description: 40 Series Delta Flow Muffler, 2.00" IN (C) / OUT (C): ea, 16 Gauge Aluminized Steel More Details »
Item #: FLO942040
Condition: New
Limited Supply: Only 3 Left!
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FREE SHIPPING! Ships from Michigan.
Price: $130.33
Sale: $99.70
Save: 24%
Save: $30.63
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Description: 40 Series Delta Flow Muffler, 2.00" IN (O) / OUT (C): ea, 16 Gauge Aluminized Steel More Details »
Item #: FLO942041
Condition: New
Limited Supply: Only 0 Left!
Same Day Shipping!
FREE SHIPPING! Ships from Michigan.
Price: $130.33
Sale: $99.70
Save: 24%
Save: $30.63
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Items 1-25 of 472

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!