The Skunk2 Pro Series intake manifold for 1990–2001 Honda/Acura B18A/B/B20 non-VTEC engines (CARB-exempt) is a cast-aluminum replacement that enlarges plenum volume and runner size to increase horsepower without sacrificing mid-range power. It uses a 70mm throttle body opening that can be inlet-matched to 74mm and is offered as a direct-fit option; this listing is supplied without a gasket.
Skunk2 Pro Series 90-01 Honda/Acura B18A/B/B20 DOHC Intake Manifold w/o Gasket (CARB Exempt)