Optimum exhaust flow is critical to maximizing the efficiency of any engine. After all, an engine is just a sophisticated air pump – and the easier it is to move air in and out, the more efficient the ...

A few companies have recently ventured into the Coyote intake manifold market and when we saw Holley’s fabricated version, we had to test it. “The Coyote is obviously an innovative, new engine capable ...

When introduced for the '05 model year, the C6 received the evolutionary Gen IV LS2 powerplant, which carried ratings of 400 horsepower and 400 lb-ft of torque. While the new engine's cylinder heads ...

For many years the aftermarket intake manifold has been considered one of the first additions in any engine development program. It has been publicized, advertised, and assumed by many hot rodders ...

Given the over 50 years of development time, you might think that every possible variation of small-block Chevy intake manifold has been done. When Air Flow Research decided to introduce a line of ...