Smog-Legal Killer goes from a 2.5- to a 3-inch exhaust, and we upgrade the headers from 15⁄8 to 13⁄4 inches and add EPA-certified high-performance cats. It's an age-old question that's nearly ...
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, ...