Diagnostic Solutions: Exhausting the Possibilities...Performance Upgrades Depending upon the market to which an import shop might be catering, the term “performance exhaust” can have two different meanings. The first market actively seeks out the throaty rumble and chrome-plated look as part of the street-driving scene. The second market installs an exhaust system that produces the most horsepower for a performance application. Sometimes the two markets are identical and... More

Performance Exhausts for Late-Model Vehicles What’s hot in exhaust performance products? Bolt-on free-flowing exhaust systems for diesel trucks, big bore mufflers for sport compact cars, and low restriction street performance mufflers for cars like Mustangs, Pontiac G8s, Dodge Chargers and Chevy Corvettes. The diesel market has been really hot lately. Turbo diesel engines are a popular option in full-size Dodge, Ford and GM... More

Exhaust Noise: How Much is Too Much? Exhaust noise sells mufflers and pipes. Exhaust noise can be irritating, as when an original equipment muffler or pipe rots and blows out. Or, it can be pleasing in the case of a high performance vehicle with a throaty growl when it accelerates. Either way, noise generates exhaust work and parts sales. How people react to noise depends on a number of factors. They say that introverts are less tolerant... More

Exhaust Parts Too Much Weight More

Muffler Technology: A Look Inside Is a muffler nothing more than a steel can with some baffles and tubes inside? That's how most mufflers look, but there's a lot more to muffler science than meets the eye. A muffler's job is to muffle sound. That's why we call them mufflers. In England they're called silencers. Regardless of the name, they all do something to change, dampen or absorb the noise-producing pressure pulses in the... More