DC Sports started as a header design outfit contrived by twin brothers and fabricators Darrell and Darrick Contreras. In 1987, American Honda approached the two to build a header for an '88 CRX race ...
To squeeze some additional horsepower from the boxer engine in my Scion FR-S, I knew an exhaust manifold was in order. So far power mods for the 4U-GSE have included an HKS intake, Tomei straight pipe ...