On this episode of Engine Masters, David Freiburger and company set out to determine if a 3-inch exhaust system will net a loss when compared to a 2.5-inch exhaust on a Chevrolet L98 V8 engine out of ...

If you're old enough, you might remember when Thrush hit the muscle-car scene in the late-1960s with its Thrush Glasspack muffler. If you're old enough to remember that, then you may not want to ...

Tecumseh Racing's Jerry Romanick makes adjustments to their small-block MoPar test mule, while Thrush's Peter Roberts digs through the mounds of mufflers gathered for these evaluations. Traditionally, ...