Experience the power and performance of the Skunk2 Ultra Race B-Series Intake Manifold, designed with a modular 3pc. structure, removable 6.5” plenum, 4 x 1/8” NPT, 2 x 1/4” NPT and 1 x OEM AIT port, and 87mm velocity stacks. With tilted and tapered hi-velocity runners, and a 3.5L plenum volume, upgrade your ride and maximize airflow for improved performance. Skunk2 Racing's Ultra Race B-Series Intake Manifold is designed for automotive enthusiasts, using the latest CFD software and dyno, on-car testing. It offers enhanced airflow and greater engine efficiency with disassemble-able and customizable plenum volume. Constructed of high-grade 356 aluminum alloy for strength and lightness, this long-lasting manifold enables high-horsepower naturally aspirated or forced induction. Enjoy a large 90mm throttle body opening, 87mm