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The intake is an Edelbrock Performer RPM--a dual-plane design with large ports. Byron feels this is the best call to make for the Challenge. "I like the bottom end this design can add, and the ports are large enough to feed this small engine. The intake was designed for larger engines, so this should be close to perfect out of the box. The ports will be matched, and I may cut the divider down about 1/2 inch. Certainly I'll trim it down between the secondaries, at least.