Jon Volk is a well-known maker of custom exhaust manifolds for high-horsepower BMWs. Watch him work his design magic and cook ...

Although log-style or simple unequal-length turbo manifolds used by the OEMs can ... According to Geoff, "Our twin-scroll turbo kits have a higher average cylinder pressure and turbine efficiency ...

Unlike many turbo kits that require authorized dealers for ... discharges its exhaust pulse through the length of the manifold. A log-style manifold design works much differently than a collector ...

Turbochargers provides lots of horsepower, but they also have turbo lag, so it takes time for the turbo to spool up and ...