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, ...

Explore the thrilling world of BMW performance exhaust systems in this dynamic video. Discover how these exhaust upgrades ...

Trick Flow designed the Twisted Wedge head with a 13-degree intake-valve angle along with the standard 23-degree exhaust-valve angle. Despite the intake-valve angle change, the head is a 100-percent ...