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Flowmaster - The Exhaust Technology Company

Exhaust, Mufflers, Mustang , Flow Master
Flowmaster operates the only exhaust Research & Design facilities of its kind in the world, centered around the SuperFlow SF-7100 engine dynamometer complete with E.C.A. (engine cycle analysis) equipment and also SuperFlow chassis dyno's.

Through use of these dyno's, Flowmaster's engineering staff can track the complete engine cycle in millionths of a second and can obtain exact technical data of each degree of cam rotation, from induction to the tip of the exhaust system, while also showing the power numbers that really matter, the power numbers "to the ground."

Flowmaster also utilizes Spectrum Analyzers to fine "tune" the sound of each of the eleven different series of mufflers that Flowmaster currently offers, both for peak performance and just the right sound levels and tones.
Flowmaster
Visit the Flowmaster Website at
http://www.flowmastermufflers.com/
Results 1 - 25 of 28
Mustang 87-93 Tailpipes, 5.0L Gt, 2.5" Aluminized
$146.99
 
Mustang 94-97 Tailpipes, 4.6/5.0L, 2.5" Aluminized With Stainless 2.5" Tips

Mustang 94-97 Tailpipes, 4.6/5.0L, 2.5" Aluminized With Stainless 2.5" Tips

[# FLO-15815 ] Flowmaster factory style replacement rear tail pipe kits fit great and are easy to adapt to the muffler of your choice! Features 2.5ö aluminized piping with 2.5ö stainless steel tips.
$239.99
 
 3"-2.5" Ball/Flange Reducer Kit,Pair

3"-2.5" Ball/Flange Reducer Kit,Pair

[# FLO-15925 ] These Flowmaster ball flange kits are designed to replace those old 3-bolt flanges. They have a unique ball flange style that requires no gasket, giving you a leak-free connection.
$89.99
 
Mustang 87-93 Catback, 5.0L Gt, American Thunder, 2.5" Aluminized Steel

Mustang 87-93 Catback, 5.0L Gt, American Thunder, 2.5" Aluminized Steel

[# FLO-17116 ] Flowmaster is the true tone of classic American muscle and performance. Flowmaster American Thunder Exhaust Systems add a signature growl that's best described as the "Flowmaster Sound" - A muscular, throaty rumble that announces your engine's presence. All Flowmaster American Thunder Exhaust Systems are crafted specifically for your make, model an
$319.99
 
Mustang 86-93 Catback, 5.0L Lx, Force 2, 2.5" Aluminized Steel With 2.5" Polished Stainless Tips, Also Fits 86 Gt

Mustang 86-93 Catback, 5.0L Lx, Force 2, 2.5" Aluminized Steel With 2.5" Polished Stainless Tips, Also Fits 86 Gt

[# FLO-17203 ] These Force II exhaust systems have been designed with the latest exhaust technology available. Through this technology, you will experience improvements in acceleration, passing power, and fuel mileage. The key to these performance improvements is the use of mandrel-bent tubing. The tubing allows for superior exhaust gas flow, while aluminized ste
$419.99
 
Mustang 94-97 Catback, 5.0L & 4.6L 2/4V, American Thunder, 2.5" Aluminized Steel With 2.5" Polished Stainless Tips

Mustang 94-97 Catback, 5.0L & 4.6L 2/4V, American Thunder, 2.5" Aluminized Steel With 2.5" Polished Stainless Tips

[# FLO-17212 ] Flowmaster is the true tone of classic American muscle and performance. Flowmaster American Thunder Exhaust Systems add a signature growl that's best described as the "Flowmaster Sound" - A muscular, throaty rumble that announces your engine's presence. All Flowmaster American Thunder Exhaust Systems are crafted specifically for your make, model an
$399.99
 
Mustang 86-93 Catback, 5.0L Lx, American Thunder, 2.5" Aluminized Steel With 2.5" Polished Stainless Tips, Also Fits 86 Gt

Mustang 86-93 Catback, 5.0L Lx, American Thunder, 2.5" Aluminized Steel With 2.5" Polished Stainless Tips, Also Fits 86 Gt

[# FLO-17213 ] Flowmaster is the true tone of classic American muscle and performance. Flowmaster American Thunder Exhaust Systems add a signature growl that's best described as the "Flowmaster Sound" - A muscular, throaty rumble that announces your engine's presence. All Flowmaster American Thunder Exhaust Systems are crafted specifically for your make, model an
$414.99
 
Mustang 98 Catback, 4.6L 2/4V, American Thunder, 2.5" Aluminized Steel With 2.5" Polished Stainless Tips

Mustang 98 Catback, 4.6L 2/4V, American Thunder, 2.5" Aluminized Steel With 2.5" Polished Stainless Tips

[# FLO-17215 ] Flowmaster is the true tone of classic American muscle and performance. Flowmaster American Thunder Exhaust Systems add a signature growl that's best described as the "Flowmaster Sound" - A muscular, throaty rumble that announces your engine's presence. All Flowmaster American Thunder Exhaust Systems are crafted specifically for your make, model an
$399.99
 
Mustang 99-04 Catback, 4.6L 4V Cobra, American Thunder, 2.5" Aluminized Steel With 3" Polished Stainless Tips

Mustang 99-04 Catback, 4.6L 4V Cobra, American Thunder, 2.5" Aluminized Steel With 3" Polished Stainless Tips

[# FLO-17248 ] Flowmaster is the true tone of classic American muscle and performance. Flowmaster American Thunder Exhaust Systems add a signature growl that's best described as the "Flowmaster Sound" - A muscular, throaty rumble that announces your engine's presence. All Flowmaster American Thunder Exhaust Systems are crafted specifically for your make, model an
$419.99
 
Mustang 99-04 Catback, 4.6L 2/4V, American Thunder, 2.5" Aluminized Steel With 3" Polished Stainless Tips, Will Not Fit 99-04 Cobra With Irs

Mustang 99-04 Catback, 4.6L 2/4V, American Thunder, 2.5" Aluminized Steel With 3" Polished Stainless Tips, Will Not Fit 99-04 Cobra With Irs

[# FLO-17312 ] Flowmaster is the true tone of classic American muscle and performance. Flowmaster American Thunder Exhaust Systems add a signature growl that's best described as the "Flowmaster Sound" - A muscular, throaty rumble that announces your engine's presence. All Flowmaster American Thunder Exhaust Systems are crafted specifically for your make, model an
$434.99
 
Mustang 86-93 Exhaust System, 5.0L Lx, American Thunder, 3" Aluminized Steel With 3" Polished Stainless Tips, Includes 3" Offroad X-Pipe, Also Fits 86 Gt

Mustang 86-93 Exhaust System, 5.0L Lx, American Thunder, 3" Aluminized Steel With 3" Polished Stainless Tips, Includes 3" Offroad X-Pipe, Also Fits 86 Gt

[# FLO-17389 ] Flowmaster is the true tone of classic American muscle and performance. Flowmaster American Thunder Exhaust Systems add a signature growl that's best described as the "Flowmaster Sound" - A muscular, throaty rumble that announces your engine's presence. All Flowmaster American Thunder Exhaust Systems are crafted specifically for your make, model an
$699.99
 
Mustang 87-93 Exhaust System, 5.0L Gt, American Thunder, 3" Aluminized Steel, Includes 3" Offroad X-Pipe

Mustang 87-93 Exhaust System, 5.0L Gt, American Thunder, 3" Aluminized Steel, Includes 3" Offroad X-Pipe

[# FLO-17396 ] Flowmaster is the true tone of classic American muscle and performance. Flowmaster American Thunder Exhaust Systems add a signature growl that's best described as the "Flowmaster Sound" - A muscular, throaty rumble that announces your engine's presence. All Flowmaster American Thunder Exhaust Systems are crafted specifically for your make, model an
$625.99
 
 05-07 Catback, 5.7L Hemi Charger/Magnum
 
Mustang 05-10 Mustang Gt Axle-Back

Mustang 05-10 Mustang Gt Axle-Back

[# FLO-17410 ] Flowmaster announces the release of our new kit for the 2005-2010 Ford Mustang GT. It features a pair of specially-designed 5" X 10" mufflers, which provide minimal interior resonance while delivering a deep and aggressive exterior tone. Through extensive testing this kit has shown some horsepower and torque gains. Features polished tips with Flowm
$324.99
 
Mustang 05-10 Axle-Back, 4.0L V6

Mustang 05-10 Axle-Back, 4.0L V6

[# FLO-17421 ] Flowmaster single exit kit for the 2005-present Ford Mustang 4.0L V6. It features a specially-designed 5" X 10" muffler, which provides minimal interior resonance while delivering a deeper and aggressive exterior tone. Through extensive testing this kit has shown some horsepower and torque gains. Features polished tip with Flowmaster embossed logo.
$199.99
 
 Muffler, 2.5" 50 Series -  Inlet/Outlet
 
 Muffler, 2.5" Super 44 -  Inlet/Outlet
 
 2.5" Flowmaster Delta-Flow 50 Series Muffler

2.5" Flowmaster Delta-Flow 50 Series Muffler

[# FLO-942553 ] Flowmaster's new 50 series Delta Flow mufflers are designed to produce a mellow, deep sound. They're milder on the outside of the vehicle than the 40 series mufflers, and significantly quieter on the inside. These mufflers combine the increased horsepower and torque you've come to expect from Delta Flow technology, with the performance sound and fe
$99.99
 
 3"-2.5" Header Reducer,Pair

3"-2.5" Header Reducer,Pair

[# FLO-R3025 ] These slip-on reducer cones from Flowmaster provide a smooth transition from your header collector to your exhuast pipe, or for connecting two pipes of different diameters. Available in several sizes, these 8 in. long cones are perfect for many applications. 3" TO 2.5" Reducer, Aluminized steel, sold in pairs
$25.99
 
 Flowmaster Muffler, 2.25" American Thunder 40 Series - Offset Inlet/Outlet

Flowmaster Muffler, 2.25" American Thunder 40 Series - Offset Inlet/Outlet

[# FM42443 ] While the Flowmaster muffler produces more power than the original equipment mufflers, they also produce the unique "Flowmaster sound", which has become the preferred choice of many Mustang enthusiasts. Flowmaster mufflers are constructed with 16 gauge aluminized steel. Flowmaster 3 chamber mufflers (Delta Flow Series) are not as loud as the 2 cham
$69.99
 
 Flowmaster Muffler, 2.5" American Thunder 40 Series - Offset Inlet/Outlet

Flowmaster Muffler, 2.5" American Thunder 40 Series - Offset Inlet/Outlet

[# FM42543 ] This two chamber design incorporates Flowmasters patented "Delta Flow" technology. The "Delta" deflectors result in increased scavenging for better performance and reduced interior resonance over the standard 40 series with a nice growl outside the vehicle. Sounds great on late model performance cars with catalytic converters. Constructed of 16 gau
$74.99
 
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