New Product: 2015 Mustang Flowmasters

0 2015 Mustang Flowmaster Exhaust Featured

’Master Plan

If you want the classic Flowmaster sound, S550 systems are now available

By Steve Turner
Photos courtesy of Flowmaster

There is no doubt the rumble of a Flowmaster exhaust is synonymous with the Mustang. Since Fox days, 5.0-liter engines and these signature chambered mufflers have created a unique tone that you can identify from a distance. Now you can add that sound to your new 5.0-liter Mustang, as Flowmaster’s exhaust systems for 2015 Mustangs are ready to go.

Looking for a full cat-back system with a classic sound? Flowmaster has two new options to choose from, the traditional American Thunder system (pictured) and the more aggressive Outlaw system.
Looking for a full cat-back system with a classic sound? Flowmaster has two new options to choose from, the traditional American Thunder system (pictured) and the more aggressive Outlaw system.

Both the company’s classic American Thunder and the rambunctious Outlaw systems are now available in either full cat-back systems or as axle-back systems. All configurations are built from 409S stainless steel and carry a limited lifetime warranty.

The cat-back systems are constructed from 3-inch-diameter, mandrel-bent tubing joined by the company’s Scavenger X-pipe crossover. The American Thunder system (PN 817730) is said to produce an aggressive sound inside and outside the car thanks to a pair of specially tuned Series 60 mufflers that exit through 4-inch tips.

If you want an even more aggressive tone, the system featuring the Outlaw mufflers (PN 817734) is said to be “not for the faint of heart.”

Listen to the system right here:

If you aren’t looking for a complete exhaust makeover, you can get simple axle-back systems that replace the factory mufflers with either Series 60 (PN 817710) or Outlaw Series (PN 817731) mufflers. If you want something even tamer, there is also a Force II axle-back (PN 817681) that is said to deliver a moderate sound.

All the systems include detailed instructions and all the hardware needed to install them.10 2015 Mustang Flowmaster Exhaust

If you don’t want the increased flow offered by the full cat-back systems, you can still add some character to your S550 with an American Thunder, Force II, or Outlaw (pictured) axle-back system.
If you don’t want the increased flow offered by the full cat-back systems, you can still add some character to your S550 with an American Thunder, Force II, or Outlaw (pictured) axle-back system.

Flowmaster 2015 Mustang Exhaust Gallery

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