New Muffler Only Sings the High Notes - 2015 Ford Mustang GT Long-Term Road Test
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2015 Ford Mustang GT Long-Term Road Test

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  • Long-Term

2015 Ford Mustang GT: New Muffler Only Sings the High Notes

by Mike Monticello, Senior Road Test Editor on September 11, 2015

2015 Ford Mustang GT

First let me say I didn't feel an overwhelming need to get a louder exhaust for our 2015 Ford Mustang GT. I kinda liked the mellow-yet-throbby sounds from the stock setup, a noise focused more on the 5.0-liter V8 rather than a tuned exhaust.

But that's just me. And no one asked. That said, I typically love a loud exhaust.

If nothing else, this new cat-back system from the Ford Performance Racing Parts catalog proves how difficult it is to build an exhaust that sounds just right at all times.

2015 Ford Mustang GT

The first surprise is that if you didn't know there was a new system on there, you might not know there was a new system on there. It takes a well-tuned ear to hear any noticeable difference at start-up or idle. Even trundling around the parking garage it sounds pretty close to stock.

That's a bit of a bummer because a deep, rumbly exhaust at low rpm means you get pleasure all the time, not just when you're hard on the gas.

Even at half-throttle it's difficult to detect much going on here. It's only when you lay your right foot to the floorboard and wind the tach needle up high that this system starts making music — as long as you have the windows down. Windows up, it's far from a hair-tingling experience.

Roll those windows down though, and this thing comes alive. It is loud and pretty dang awesome at high revs, if a bit on the snarly, contrived side like a Dodge Challenger. The problem with this is that, as we found with the 2015 Lexus RC F, big speed or acceleration is required to produce any kind of raucous sound.

What does all of this mean?

It means that I'll be dipping into the Mustang's well of power even more than I already was. Only now with the windows open at all times.    

Mike Monticello, Senior Road Test Editor @ 13,628 miles

 

  • Full Review
  • Pricing & Specs
  • Road Tests (2)
  • Comparison
  • Long-Term

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