Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? As you've heard many times, your car's engine is nothing but a big air pump. It sucks ...
SmartValves are shown at far left and far right, with traditional two-piece vacuum ports in between. Photo Credit: SmartValves, Bert Groenewoud, Earth and Flight Composites. SmartValves were developed ...
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