Weiand Hi-Ram Tunnel Ram Intake Manifolds are created for drag racing, truck/tractor pulls, and performance marine applications where high rpm is required but bottom-end torque isn't. They mount either single or dual square-mount carbs and, depending on the application, have power bands that run from 2,500 rpm to as high as 9,000 rpm. Stock electronic ignition will NOT clear.

The Weiand Company was founded in year 1930s as a performance parts warehouse by Phil Weiand and sold different types of speed parts. The "High Weiand" manifold was the company's first product manufactured and introduced to the market in 1937 as the first aluminum intake. In 1952 they introduced their famous "Drag Star" line of "log" manifolds for Hemi engines. The company developed a complete blower drive in 1957 for the GMC 6-71 supercharger, while their first dual plane 180-degree intake known as "Colt" was launched in 1965. Weiand introduced "Hi-Ram Manifold" in 1968 with its patented D-port technology.

The company launched the "X-terminator" single plane manifold series in 1972; the following year Weiand introduced high-performance aluminum water pumps. In 1974, X-CELerator, a single plane intakes, was developed. The famous "Team G" 360-degree racing manifold series was launched in 1978, and a year later, the "Action" series of high-performance replacement manifolds was introduced.

Today, Weiand continues to be a trailblazer in the automotive industry, providing top-grade performance products to enthusiasts worldwide.