Want Your Mustang to Roar? Use Your iPhone

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A Roush Performance Mustang
A Roush Performance Mustang Credit: Roush Performance
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So you've bought a new Ford Mustang and you want to hear a perfect deep-throated roar as you punch the gas and pull away from that Chevy Camaro. There's an app for that.

Roush Performance's Active Exhaust lets an Apple iPhone or iPad customize a Mustang's sound and save the settings on those devices. It's available for 2015 Mustangs with Roush's Quad Tip exhaust system.

"Custom mode is great because it lets the individual do what they want to do with the exhaust note," Don Manfredi, VP-marketing at Roush Performance, said in a telephone interview. "You can truly say that this is your tune."

The system comes with three preloaded exhaust modes as well as the ability to create a custom sound. Touring is a quieter setting for neighborhood cruising. Sport is louder at lower speeds and less noisy in normal city driving. Track, for off-street use, bypasses the muffler for a full, unrestricted tone.

The Mustang, redesigned for the 2015 model, has been quick off the line this year for Ford Motor Co., putting the pony car in position to pass General Motors Co.'s Camaro in U.S. sales for the first time since 2009. Through July, Mustang had outsold its Chevy rival by 76,772 to 50,062.

An Active Exhaust upgrade kit sells for $1,699.99, according to Roush Performance's website. A Quad Tip exhaust system with Active Exhaust is priced at $2,689.99.

Roush Performance, a unit of closely held Roush Enterprises Inc., is a maker of specialty Mustang versions as well as parts such as superchargers and exhaust systems for the sports cars and other Ford vehicles. The Livonia, Michigan-based company's chairman is Jack Roush, the founder and co-owner of a Nascar racing team.

--Bloomberg News