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 ...

Given a choice between spending $500 for a day on the dyno and upgrading to a trick set of cylinder heads, most hot rodders on a budget would opt for the hardware. But a different view should be ...

If you have the need to peel your face back with speed, Dodge has the answer: the 2010 Viper SRT-10 ACR-X spec racer. It's a track-only, high-output version of the already brutal Viper SRT-10 ACR, and ...

When we usually bring you a custom exhaust development, it has to do with a tuner introducing a new piece of hardware. However, today we're here for a different purpose, as we want to show you a ...

Here at VETTE, we've heard both sides of the engine-dyno argument. On one hand, a stout dyno sheet offers bragging rights to the owner, but on the other, you can't race a dynamometer, and they cost a ...

Just how much power can Supersprint exhaust headers add to an S54-powered BMW Z3M Coupe? In this video, we install a full header system and head straight to the dyno to find out. 🎧 Plus: hear that ...