In gearhead heaven (or maybe it's hell), everybody would drive around with open headers. In the real world, laws and the basic demands of civility dictate we have exhaust systems on our cars. So how ...

For the 2015 to 2017 Ford Mustang, the aftermarket offers countless modifications at more or less affordable sums of money. The Flowmaster FlowFX is one of the more expensive modifications out there, ...