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

Flowmaster Categories

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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 / GM Air Intakes
Pit Stop USA is The Online High Performance Superstore! We feature Chevrolet and GM Air Intakes at low everyday prices.
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.
Chevrolet Camaro Exhaust Systems
Looking for that perfect Chevrolet Camaro Exhaust System for your street and strip machine? PitStopUSA.com carries exhaust systems and cat-back exhaust kits that are a fantasic way to increase...More Details »
Chevrolet El Camino Exhaust Systems
Looking for that perfect Chevrolet El Camino Exhaust System for your street and strip machine? PitStopUSA.com carries exhaust systems and cat-back exhaust kits that are a fantasic way to increase...More Details »
Chevrolet Monte Carlo Exhaust
Pit Stop USA has all of your Street Performance needs including Chevrolet Monte Carlo Exhaust.
Items 1-25 of 112

Flowmaster Products

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Items 1-25 of 538
Description: Muffler, 10 Delta Force, 3-1/2 in Center Inlet, 3-1/2 in Center Outlet, 6-1/2 x 9-3/4 x 4 in Oval Body, 10-1/4 in Long, Steel, Aluminized, Universal, Each
Item #: FLO9435109
Condition: New
Limited Supply: Only 2 Left!
Same Day Shipping!
FREE SHIPPING! Ships from Michigan.
Price: $122.95
Sale: $109.95
Save: 11%
Save: $13.00
Qty:

Description: Muffler, 10 Series Delta Force, 2-1/2 in Center Inlet, 2-1/2 in Center Outlet, 5-1/2 x 8 x 3 in Oval Body, 9-1/2 in Long, Steel, Aluminized, Universal, Each
Item #: FLO325108
Condition: New
Limited Supply: Only 2 Left!
Same Day Shipping!
FREE SHIPPING! Ships from Michigan.
Price: $111.95
Sale: $99.95
Save: 11%
Save: $12.00
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Description: Muffler, 10 Series Delta Force, 3 in Center Inlet, 3 in Center Outlet, 6-1/2 x 9-3/4 x 4 in Oval Body, 10-1/4 in Long, Steel, Aluminized, Universal, Each
Item #: FLO9430109
Condition: New
Limited Supply: Only 2 Left!
Same Day Shipping!
FREE SHIPPING! Ships from Michigan.
Price: $111.95
Sale: $99.95
Save: 11%
Save: $12.00
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Description: Muffler, 10 Series Delta Force, 3 in Offset Inlet, 3 in Center Outlet, 10-1/4 x 8 x 4 in Oval Body, 14 in Long, Steel, Aluminized, Universal, Each
Item #: FLO9430119
Condition: New
Limited Supply: Only 3 Left!
Same Day Shipping!
$28.95 Flat Rate Shipping. Oversized / Overweight Item. Ships from Michigan.
Price: $111.95
Sale: $99.95
Save: 11%
Save: $12.00
Qty:

NEW!
Description: Exhaust System, American Thunder, Cat-Back, 3 in Tailpipe, 4 in Tips, Stainless, Black / Natural, Ford Mustang 2015-18, Kit
Item #: FLO817750
Condition: New
Limited Supply: Only 2 Left!
Same Day Shipping!
FREE SHIPPING! Oversized / Overweight Fees Waived On This Item! Ships from Michigan.
Price: $888.95
Sale: $799.95
Save: 10%
Save: $89.00

Qty:

NEW!
Description: Exhaust System, American Thunder, Axle-Back, 2 1/2 in Tailpipe, 4 in Tips, Stainless, Natural, Ford Mustang 2016-18, Kit
Item #: FLO817748
Condition: New
Limited Supply: Only 1 Left!
Same Day Shipping!
FREE SHIPPING! Oversized / Overweight Fees Waived On This Item! Ships from Michigan.
Price: $715.95
Sale: $643.95
Save: 10%
Save: $72.00

Qty:

NEW!
Description: Exhaust System, American Thunder, Axle-Back, 2 1/2 in Tailpipe, 4 in Tips, Stainless, Natural, Chevy Camaro 2016-18, Kit More Details »
Item #: FLO817743
Condition: New
Limited Supply: Only 1 Left!
Same Day Shipping!
FREE SHIPPING! Oversized / Overweight Fees Waived On This Item! Ships from Michigan.
Price: $666.95
Sale: $599.95
Save: 10%
Save: $67.00

Qty:

NEW!
Description: Exhaust System, Outlaw, Cat-Back, 3 in Tailpipe, 3 in Tips, Stainless, Natural, Mopar LD-Body 2017-18, Kit
Item #: FLO817779
Condition: New
Limited Supply: Only 1 Left!
Same Day Shipping!
FREE SHIPPING! Oversized / Overweight Fees Waived On This Item! Ships from Michigan.
Price: $1,366.95
Sale: $1,229.95
Save: 10%
Save: $137.00

Qty:

Not legal for sale or use in California.
Description: Catalytic Converter, 2 in Inlet, Dual 2 in Outlet, 7-1/4 x 4 in Case, 17 in Long, Stainless, Each
Item #: FLO2904220
Condition: New
Limited Supply: Only 0 Left!
Same Day Shipping!
FREE SHIPPING! Ships from Michigan.
Price: $143.95
Sale: $128.95
Save: 10%
Save: $15.00
Description: Exhaust X-Pipe, 2-1/2 in Diameter, Stainless, Natural, Ford Coyote, Ford Mustang 2015-16, Kit
Item #: FLO81109
Condition: New
Limited Supply: Only 1 Left!
Same Day Shipping!
FREE SHIPPING! Oversized/Overweight Fees Waived On This Item! Ships from Michigan.
Price: $312.95
Sale: $280.95
Save: 10%
Save: $32.00

Qty:

Not legal for sale or use in California.
Description: Catalytic Converter, 2-1/2 in Inlet, 2-1/2 in Outlet, 7-1/4 x 4 in Case, 16-1/2 in Long, Stainless, Each
Item #: FLO2900225
Condition: New
Limited Supply: Only 1 Left!
Same Day Shipping!
FREE SHIPPING! Ships from Michigan.
Price: $121.95
Sale: $108.95
Save: 11%
Save: $13.00

Not legal for sale or use in California.
Description: Catalytic Converter, 2-1/4 in Inlet, 2-1/4 in Outlet, 7-1/4 x 4 in Case, 16-1/2 in Long, Stainless, Each
Item #: FLO2900224
Condition: New
Limited Supply: Only 0 Left!
CLEARANCE! Sale limited to stock on hand. Same Day Shipping! Ships from Michigan.
FREE SHIPPING! Ships from Michigan.
Price: $121.95
Sale: $81.88
Save: 33%
Save: $40.07
Description: Exhaust Y-Pipe, 2-1/4 in Inlets, 2-1/4 in Outlet, Stainless, Natural, Ford EcoBoost 4-Cylinder, Ford Mustang 2015-16, Each More Details »
Item #: FLO81108
Condition: New
Limited Supply: Only 2 Left!
Same Day Shipping!
FREE SHIPPING! Oversized/Overweight Fees Waived On This Item! Ships from Michigan.
Price: $298.95
Sale: $268.95
Save: 10%
Save: $30.00

Qty:


Not legal for sale or use in California.
Description: Catalytic Converter, 282 Series, 2 in Inlet, 2 in Outlet, 5 x 4 in Case, 16 in Long, O2 Sensor Port, Stainless, Each
Item #: FLO2820120
Condition: New
Limited Supply: Only 0 Left!
Same Day Shipping!
FREE SHIPPING! Ships from Michigan.
Price: $153.95
Sale: $137.95
Save: 10%
Save: $16.00

Not legal for sale or use in California.
Description: Catalytic Converter, 282 Series, 2-1/2 in Inlet, 2-1/2 in Outlet, 7.5 x 4 in Case, 16.5 in Long, Stainless, Each
Item #: FLO2822225
Condition: New
Limited Supply: Only 2 Left!
Same Day Shipping!
$6.95 Flat Rate Shipping. Ships from Michigan.
Price: $115.95
Sale: $103.95
Save: 10%
Save: $12.00
Qty:

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, Kit
Item #: FLO15927
Condition: New
Limited Supply: Only 1 Left!
Same Day Shipping!
$20.95 Flat Rate Shipping. Oversized / Overweight Item. Ships from Michigan.
Price: $179.95
Sale: $161.95
Save: 10%
Save: $18.00
Qty:

Description: Exhaust X-Pipe, 3 in Diameter, Stainless, Natural, Automatic Transmission, GM GenV Lt-Series, Chevy Camaro 2016-17, Kit More Details »
Item #: FLO81084
Condition: New
Limited Supply: Only 0 Left!
CLEARANCE! Sale limited to stock on hand. Same Day Shipping! Ships from Michigan.
FREE SHIPPING! Oversized / Overweight Fees Waived On This Item! Ships from Michigan.
Price: $849.95
Sale: $764.95
Save: 10%
Save: $85.00

Description: Exhaust X-Pipe, 3 in Diameter, Stainless, Natural, Manual Transmission, GM GenV Lt-Series, Chevy Camaro 2016-17, Kit
Item #: FLO81083
Condition: New
Limited Supply: Only 0 Left!
Same Day Shipping!
FREE SHIPPING! Oversized/Overweight Fees Waived On This Item! Ships from Michigan.
Price: $364.95
Sale: $327.95
Save: 10%
Save: $37.00

Description: Muffler, 30 Series Delta Force, 3-1/2 in Offset Inlet, 3-1/2 in Center Outlet, 17 x 12 x 5 in Oval Body, 21 in Long, Steel, Aluminized, Universal, Each
Item #: FLO53531-12
Condition: New
Limited Supply: Only 0 Left!
CLEARANCE! Sale limited to stock on hand. Same Day Shipping! Ships from Michigan.
FREE SHIPPING! Ships from Michigan.
Price: $205.95
Sale: $184.95
Save: 10%
Save: $21.00
Description: Muffler, 30 Series Delta Force, 4 in Center Inlet, 4 in Center Outlet, 16 x 12 x 5 in Oval Body, 18 in Long, Steel, Aluminized, Universal, Each
Item #: FLO54030-12
Condition: New
Limited Supply: Only 2 Left!
Same Day Shipping!
FREE SHIPPING! Ships from Michigan.
Price: $205.95
Sale: $184.95
Save: 10%
Save: $21.00
Qty:

Description: Muffler, 30 Series Delta Force, 4 in Offset Inlet, 4 in Center Outlet, 17 x 12 x 5 in Oval Body, 21 in Long, Steel, Aluminized, Universal, Each
Item #: FLO54031-12
Condition: New
Limited Supply: Only 2 Left!
Same Day Shipping!
FREE SHIPPING! Ships from Michigan.
Price: $205.95
Sale: $184.95
Save: 10%
Save: $21.00
Qty:

Description: Muffler, 40 Delta, 3 in Offset Inlet, 3 in Offset Outlet, 13 x 9-3/4 x 4 in Oval Body, 19 in Long, Steel, Aluminized, Universal, Each
Item #: FLO943043
Condition: New
Limited Supply: Only 1 Left!
Same Day Shipping!
FREE SHIPPING! Ships from Michigan.
Price: $111.95
Sale: $99.95
Save: 11%
Save: $12.00
Qty:

Description: Muffler, 40 Delta, 2-1/2 in Center Inlet, Dual 2-1/4 in Outlets, 13 x 9-3/4 x 4 in Oval Body, 19 in Long, Steel, Aluminized, Universal, Each
Item #: FLO9425422
Condition: New
Limited Supply: Only 1 Left!
Same Day Shipping!
FREE SHIPPING! Ships from Michigan.
Price: $111.95
Sale: $99.99
Save: 11%
Save: $11.96
Qty:

Description: Muffler, 40 Delta, 2 in Center Inlet, 2 in Offset Outlet, 13 x 9-3/4 x 4 in Oval Body, 19 in Long, Steel, Aluminized, Universal, Each
Item #: FLO942042
Condition: New
Limited Supply: Only 2 Left!
Same Day Shipping!
FREE SHIPPING! Ships from Michigan.
Price: $111.95
Sale: $99.95
Save: 11%
Save: $12.00
Qty:

Description: Muffler, 40 Delta, 2 in Center Inlet, 2 in Center Outlet, 13 x 9-3/4 x 4 in Oval Body, 19 in Long, Steel, Aluminized, Universal, Each
Item #: FLO942040
Condition: New
Limited Supply: Only 2 Left!
Same Day Shipping!
FREE SHIPPING! Ships from Michigan.
Price: $111.95
Sale: $99.95
Save: 11%
Save: $12.00
Qty:

Items 1-25 of 538

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!