A Look Inside
Flowmaster mufflers use specially designed chambers to control exhaust sound and interior resonance.
Power chamber. Sound and pressure waves first enter into the power chamber. The DeltaFlow plates split the waves.
Balance Chamber. The sound waves enter the second chamber where they are met with a reverse sound wave from chamber three.
Resonant tuning chamber. Known as a Helmholtz
resonance chamber, this is a specially tuned chamber for the '05 Mustang muffler.
This air-filled chamber generates sound waves back towards chamber 2, cancelling
out sound wave frequencies in the offending range.
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About Flowmaster and the 05 Mustang GT
If you blindfolded a musclecar enthusiast and took them for a ride in a 2005 Mustang GT, it is likely they'd conclude they were in one based solely on the sound of the exhaust. The throaty rumble of the Mustang V8 is as hallmark as its' running pony emblem. This however isn't by chance. Sound Quality Engineers at Ford's Advanced Engineering Center study and design sound for all aspects of a Ford vehicle, but particularly for the Mustang V8 exhaust. For the 2001 Bullitt Mustang, Ford engineers digitally mastered the Mustang's signature raw V8 sound on Flowmaster's 2005 Mustang GT after-axle muffler kit, PN:17410 feature chrome 4" rolled-edge and embossed tips. Computers from the 13 minute chase video. They then computer matched the sounds to prototype engines by tuning exhaust system components.
It goes without saying then, that for the all new 2005 Mustang, exhaust sound was high on the list of priorities for Ford. This is evident in the exhaust system delivered on the car from the factory. The new '05 GT has arguably the best factory exhaust system placed under a Mustang. The manifolds are better flowing than preceding designs. There are only two catalytic converters leading into a fairly straight and restriction-free crossover pipe. The piping is all 2.5" mandrel bent stainless steel. The dual exhaust system ends with a decent pair of mufflers mounted under the rear bumper. The factory system is high quality, and sounds pretty good. However, as with most things stock, there is always room for improvement. Let's face it, when it comes to exhaust sound, enthusiasts want more growl, a deeper bark, and to be set apart from the masses. READ MORE HERE
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