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The Flowmaster Difference

Flowmaster uses a patented chambered design in its mufflers.  This construction "splits" the exhaust flow into multiple streams and combines the exhaust in chambers contained within the muffler.  This technology aids in the cancellation of excessive sound waves while providing for a free flowing exhaust to deliver more power and the great sound that is identified with Flowmaster exhaust systems.

Flowmaster Performance Parts and Accessories

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Flowmaster 17364 Force II Cat-Back Exhaust

Force II Exhaust System, Single, Single Side Exit, Incl. 2.5 in. Tailpipe, 50 Series SUV Muffler, 3.5 in. Stainless Tip

  • 3 Year Limited Warranty
  • Connects After Factory Catalytic Converter
Shipping :
FREE
Our Price :
$268.99
Low Price Guarantee
In Stock
Exhaust Type Single
Exit Position Side
Exit Style Straight
Inlet Size (In.) 2.5
Material Aluminized Steel
Outlet Size (In.) 2.5
Year Make Model Submodel Engine
2001-2001 FORD EXPLORER 4.0L / 245 C.I.D.-4.0L / 245 C.I.D.
2000-2001 FORD EXPLORER 4.0L / 245 C.I.D.-4.0L / 245 C.I.D.
All Vehicle Applications »
Flowmaster 17367 American Thunder Muscle Truck Exhausts

American Thunder Muscle Truck Exhaust System, Single,Same Side Dual Rear Exit,Incl. 2.5 in. Tailpipes/50 Series HD Muffler/4 in. Logo Embossed Stainless Tips w/OEM Style Exit

  • 3 Year Limited Warranty
  • Connects After Factory Catalytic Converter
Shipping :
FREE
Our Price :
$308.99
Low Price Guarantee
In Stock
Body Cab And Body Bed Regular Cab w/78.0 in./6 ft. 6 in. Bed
Exhaust Type Single
Exit Position Dual Side Rear
Exit Style Straight
Inlet Size (In.) 2.5
Material Aluminized Steel
Outlet Size (In.) 2.5
Year Make Model Submodel Engine
1999-2004 FORD F-150 LIGHTNING PICKUP 5.4L / 330 C.I.D.-5.4L / 330 C.I.D.
All Vehicle Applications »
Flowmaster 17368 American Thunder Cat-Back Exhaust

American Thunder Exhaust System, Single, Dual Side Exit, Incl. 2.5 in. Tailpipes, 50 Series HD Muffler, 3 in. Logo Embossed Stainless Tips

  • 3 Year Limited Warranty
  • Connects After Factory Catalytic Converter
Shipping :
FREE
Our Price :
$437.99
Low Price Guarantee
In Stock
Exhaust Type Single
Exit Position Dual Side
Exit Style Straight
Inlet Size (In.) 2.5
Material Aluminized Steel
Outlet Size (In.) 2.5
Year Make Model Submodel Engine
2000-2003 CHEVROLET TAHOE 4.8L / 294 C.I.D.-5.3L / 323 C.I.D.
2001-2003 GMC YUKON 4.8L / 294 C.I.D.-5.3L / 323 C.I.D.
2000-2000 GMC YUKON SLE 4.8L / 294 C.I.D.-5.3L / 323 C.I.D.
2000-2000 GMC YUKON SLT 4.8L / 294 C.I.D.-5.3L / 323 C.I.D.
All Vehicle Applications »
Flowmaster 943040 40 Series Delta Flow Muffler

40 Series Delta Flow Muffler, 3 in. Center Inlet/Outlet, Case Dimensions 4 in. x 9.75 in. x 13 in., 19 in. Overall Length, Aluminized Steel

  • 3 Year Limited Warranty
  • Aggressive To Moderate Exterior Exhaust Note
This is a universal fit product and may require customization to fit your vehicle.
Shipping :
FREE
Our Price :
$74.98
Low Price Guarantee
In Stock
Body Height (In.) 4
Body Length (In.) 13
Body Width (In.) 9.75
Inlet Position Center
Inlet Size (In.) 3
Inlet Type Single Center Inlet
Length (In.) 19
Material Aluminized Steel
Outlet Single Center Outlet
Outlet Position Center
Outlet Size (In.) 3
Position N/A
Shape Oval
Flowmaster 15818 Tailpipe Set 3 in. Dia. Sold In Pairs

Tailpipe Set, 3 in. Dia. Sold In Pairs, Hardware/Hangers Are Required For Installation, Offset Inlet/Offset Outlet Mufflers Required

  • 3 in. Prebent Tailpipes
  • 3 Year Limited Warranty
Shipping :
FREE
Our Price :
$143.99
Low Price Guarantee
In Stock
Position N/A
Year Make Model Submodel Engine
1968-1972 BUICK SKYLARK 5.7L / 350 C.I.D.-7.5L / 455 C.I.D.
1968-1972 BUICK SKYLARK CUSTOM 5.7L / 350 C.I.D.-7.5L / 455 C.I.D.
1968-1969 BUICK SPECIAL 5.7L / 350 C.I.D.-5.7L / 350 C.I.D.
1968-1971 CHEVROLET CHEVELLE 5.0L / 307 C.I.D.-5.7L / 350 C.I.D.
1968-1971 CHEVROLET CHEVELLE MALIBU 5.0L / 307 C.I.D.-6.5L / 396 C.I.D.
All Vehicle Applications »
Flowmaster 15902 Universal Tailpipe Kit 3 in. Dia.

Universal Tailpipe Kit, 3 in. Dia., Cut To Fit, Welding Required, 4 pc.

  • 3 Year Limited Warranty
  • Designed For 90 Percent Of All Trucks/Vans/SUVs
This is a universal fit product and may require customization to fit your vehicle.
Shipping :
FREE
Our Price :
$79.98
Low Price Guarantee
In Stock
Position N/A
Flowmaster 17410 American Thunder Cat-Back Exhaust

American Thunder Exhaust System, Dual, Dual Rear, Incl. 5 in. x 10 in. Mufflers, 4 in. Logo Embossed Stainless Tips

  • 3 Year Limited Warranty
  • Axle Back System
Shipping :
FREE
Our Price :
$290.99
Low Price Guarantee
In Stock
Exhaust Type Dual
Exit Position Dual Rear
Exit Style Straight
Inlet Size (In.) 5
Material Aluminized Steel
Outlet Size (In.) 5
Year Make Model Submodel Engine
2005-2010 FORD MUSTANG GT 4.6L / 281 C.I.D.-4.6L / 281 C.I.D.
2007-2008 FORD MUSTANG SHELBY GT 4.6L / 281 C.I.D.-4.6L / 281 C.I.D.
2007-2010 FORD MUSTANG SHELBY GT500 5.4L / 330 C.I.D.-5.4L / 330 C.I.D.
2008-2009 FORD MUSTANG SHELBY GT500KR 5.4L / 330 C.I.D.-5.4L / 330 C.I.D.
All Vehicle Applications »
Flowmaster 842443 40 Series Delta Flow Muffler

40 Series Delta Flow Muffler, 2.25 in. Offset Inlet/Opposite Side Offset Outlet, Case Dimensions 4 in. x 9.75 in. x 13 in., 19 in. Overall Length, 409S Stainless Steel

  • Aggressive To Moderate Exterior Exhaust Note
  • Durable Fully Welded 409 Stainless Steel
Shipping :
FREE
Our Price :
$95.95
Low Price Guarantee
In Stock
Body Height (In.) 4
Body Length (In.) 13
Body Width (In.) 9.75
Inlet Position Offset
Inlet Size (In.) 2.25
Inlet Type Single Offset Inlet
Length (In.) 19
Material 409 Stainless Steel
Outlet Single Offset Outlet
Outlet Position Offset
Outlet Size (In.) 2.25
Position N/A
Shape Oval
Year Make Model Submodel Engine
1973-1986 CHEVROLET C10 SUBURBAN 4.1L / 250 C.I.D.-7.4L / 454 C.I.D.
1974-1974 CHEVROLET C10 SUBURBAN 4.8L / 292 C.I.D.-5.7L / 350 C.I.D.
1978-1980 CHEVROLET C10 SUBURBAN 5.7L / 350 C.I.D.-5.7L / 350 C.I.D.
1994-1994 CHEVROLET CAPRICE 5.7L / 350 C.I.D.-5.7L / 350 C.I.D.
1994-1996 CHEVROLET CAPRICE CLASSIC 5.7L / 350 C.I.D.-5.7L / 350 C.I.D.
All Vehicle Applications »
Flowmaster 40 Series Delta Force Race - Part No. 8435409

40 Series Delta Force Race Muffler, 3.5 in. Center Inlet/Outlet, Case Dimensions 4 in. x 9.75 in. x 13 in., 19 in. Overall Length, 409S Stainless Steel

  • Call Tech Line for Applications 800-544-4761
  • Designed for Maximum Horsepower and Torque
This is a universal fit product and may require customization to fit your vehicle.
Shipping :
FREE
Our Price :
$108.99
Low Price Guarantee
In Stock
Body Height (In.) 4
Body Length (In.) 13
Body Width (In.) 9.75
Inlet Position Center
Inlet Size (In.) 3.5
Inlet Type Single Center Inlet
Length (In.) 19
Material 409 Stainless Steel
Outlet Single Center Outlet
Outlet Position Center
Outlet Size (In.) 3.5
Position N/A
Shape Oval
Flowmaster 17282 American Thunder Cat-Back Exhaust

American Thunder Exhaust System, Dual, Dual Rear Exit, Incl. 2.5 in. Tubing From Trans X - Member Back, H-Pipe/Hardware/Super 44 Series Mufflers

  • 3 Year Limited Warranty
  • Aggressive And Powerful Exterior Exhaust Tone
Shipping :
FREE
Our Price :
$415.95
Low Price Guarantee
In Stock
Body Style Coupe (2 Door)
Exhaust Type Single
Exit Position Dual Rear
Exit Style Turn Down
Inlet Size (In.) 2.5
Material Aluminized Steel
Outlet Size (In.) 2.5
Year Make Model Submodel Engine
1967-1970 FORD MUSTANG 4.7L / 289 C.I.D.-7.0L / 429 C.I.D.
1969-1969 FORD MUSTANG BOSS 429 7.0L / 429 C.I.D.-7.0L / 429 C.I.D.
1970-1970 FORD MUSTANG GRANDE 5.8L / 351 C.I.D.-7.0L / 429 C.I.D.
1970-1970 FORD MUSTANG MACH 1 5.8L / 351 C.I.D.-7.0L / 429 C.I.D.
All Vehicle Applications »
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About Flowmaster

Flowmaster cemented its place in automotive lore more than 45 years ago when founder Ray Flugger created Flowmaster's first muffler to answer the call to quiet race cars on tracks around the country.  Flowmaster's innovative design was only half of the success formula however.  Flowmaster massaged a unique sound out of their mufflers that distinctly defined entire era of hot rods and musclecars.

Today Flowmaster occupies three modern facilities covering more than 400,000 square feet of real estate in California and Idaho and employs more than 250 employees.  Their one of a kind Research and Design facility employs ultra modern equipment including SuperFlow engine dynamometers complete with Engine Cycle Analysis (E.C.A) equipment as well as SuperFlow chassis dynos.  These facilities turn out the finest exhaust products for street performance, musclecars, trucks, street rods, RV's, and motorhomes in addition to their leading race applications.  Whether you're in the market for a complete cat-back exhaust system, a replacement muffler, a muffler that will produce a specific sound, or any number of exhaust accessories Flowmaster has the solution.  All Flowmaster products are backed by an impressive 10 year protection warranty on stainless steel products and 3 year protection warranty on aluminized products.

  • Why don't we show the price?

    When a manufacturer implements a Minimum Advertised Price (MAP) policy, they create limits on the list price that retailers are allowed to advertise their products for. In line with our efforts to continually provide the lowest possible price, we've made it easier for you to inquire about our Exclusive Pricing on these MAP items.

  • Shipping Policy

    Free Ground Shipping
    Free FedEx ground shipping on all orders over $50. Free shipping to 48 Continental United States only. Orders under $50 will incur a FedEx ground shipping charge of $9.95.

    $9.95 Per Wheel/$25 Per Tire
    Each wheel will incur a $9.95 per wheel fee and each tire will incur a $25 per tire fee up to $99. You will be charged a maximum of $99 regardless of how many wheels and/or tires you purchase.

    $99 Truck Freight
    Oversized parts will incur a $99 truck freight charge that FedEx cannot provide standard ground shipping on.