AVONDALE, Ariz. — The cars sounded better than they felt during NASCAR's two-day test session at Phoenix Raceway. NASCAR invited six drivers to participate in the test to try to improve the ...

SMO — Preliminary results of a test measuring the sound reduction capacity of a muffler on a small airplane are in, and it looks like residents near Santa Monica Airport may have gotten an early ...

COLUMBUS, Ohio – A study of muffler technology at Ohio State University is giving American automakers new options for designing quieter cars. Engineers here have tested a promising new muffler design ...

2008 Mustang GT, Mustang GT, SVT-1 mufflers, Mustang FR500S, FR500S mufflers, 5230S muffler, Ford racing mufflers, Modified Mustangs & Fords The 5230-S mufflers are bullet style mufflers that are made ...

Put mufflers on a 1300hp big-block Chevy, and most enthusiasts would guarantee that you'd choke the horsepower down. But the test of Borla's new 4½-inch Shoot-Out Series muffler revealed that ...

Street exhaust systems have always been somewhat ignored by performance enthusiasts. Exhaust pipes and mufflers are usually regarded as necessary evils when in search of ultimate street performance.

SMO — Santa Monica city officials, Justice Aviation and residents are collaborating on a possible solution to one of Santa Monica Airport's most vexing problems — the constant drone of airplanes over ...

There's so much data here, we simply don't have room to dissect it all, but you have it now, so you can choose the mufflers you are interested in and run the numbers through Excel if you are really ...

Unleash the Beast: bmw M5 Competition Upgraded with awe Exhaust | Full Install & Sound Comparison 🏁 Experience the ...