Y’know, I’ve watched hundreds of engine dyno videos over the years and I’ve never once thought about how it sounds from the outside. It’s great for car geeks like you and me to hear a twin-turbo V8 ...

The rumble sounds great in the driveway, but the real story is complicated.

This video documents a dyno tuning session for the BMW Z8 following the installation of a Supersprint exhaust system. The aim is to evaluate performance gains and sound characteristics after the ...

Which is better: Stock, aftermarket, or no muffler at all? We took our R1 test bike to the Dyno room to find out.Animated GIF by Kathleen Conner Wrist: Zack Courts MSRP (2015): $16,490 Miles: 3,082 ...

A question often asked is: Which muffler is better, Magnaflow or Flowmaster? Both exhaust brands have been around since the early 1980s, both have the word "flow" in their names, and both brands have ...

We always considered the factory exhaust system fitted to Mopar musclecars as good. As factory systems of the era go, the OE Mopar exhaust was generally the best. Mopar iron manifolds were typically ...

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Anyone who has lived on a healthy diet of off-road and performance magazines has gotten a pretty good taste of the dyno process, even if it's just served on the printed page. It looks pretty exciting: ...

Calling a Honda Civic with a laptop “the most feared thing in the car community” is mostly a joke—but it didn’t come out of nowhere. Some cars, certainly some Civics, can make a lot more power than ...

Turns out, running a dual exhaust system isn't always better for power, at least when compared to a single-exit setup. There are nuances to this, of course, but the power difference is real, as ...