Skunk2 Pro Series Intake Manifold for 1990-2001 Acura Integra (B18A/B/B20), CARB Exempt, 307-05-0280

Fits 1990-2001 Acura Integra GS, LS, RS, and Special Edition models equipped with B18A, B18B, or B20 DOHC non-VTEC engines.

The Skunk2 Pro Series Intake Manifold is a performance-engineered upgrade for street enthusiasts looking to increase horsepower and torque without compromising mid-range response. Inspired by the legendary Integra Type R manifold, Skunk2 engineers optimized this design with a larger plenum and oversized, specially tapered runners. These enhancements improve airflow and create an intensified venturi effect, resulting in significant gains across the entire powerband.

Each manifold is shell-molded from high-grade 356-aluminum and CNC-machined for a precise, bolt-on fit to the factory cylinder head. The design is compatible with all OEM sensors and features a 70mm throttle body opening that can be port-matched up to 74mm for higher-flow applications. Vacuum-tested for quality and finished as-cast, this manifold provides an OEM-level fit with professional-grade performance.

• Manufacturer Part Number: 307-05-0280
• Material: Shell-molded 356-aluminum construction
• Finish: As-cast
• Throttle Body Opening: 70mm (port-matchable up to 74mm)
• CARB Exempt: Yes (EO# D-501-1)
• Direct-fit replacement for B-series non-VTEC engines
• Tapered runners and plenum optimized for wave scavenging
• Designed for use with factory sensors and throttle bodies up to 75mm

Note: This unit does not include an intake manifold gasket.