Skunk2 Racing Pro Series B18A-B/B20 DOHC LS Intake Manifold

1990–2001 Honda/Acura B18A/B/B20 Engines

Part #: 307-05-0280

Overview

The Skunk2 Racing Pro Series B18A-B/B20 DOHC LS Intake Manifold is a high-performance upgrade designed specifically for Honda and Acura enthusiasts seeking to maximize their engine's potential. Crafted from high-grade 356 aluminum, this intake manifold offers a significant increase in airflow capacity, enabling your vehicle to produce more power across a broad RPM range. Whether you're building a street machine, a track-ready setup, or a dedicated drag car, this manifold provides the performance edge you need.

Engineered for those who demand the best, the Pro Series manifold features an oversized plenum and runner design that enhances volumetric efficiency. Its broad usable powerband ensures improved throttle response, increased torque, and higher peak horsepower. With its OEM-quality shell mold casting and vacuum-tested construction, you can trust in both its durability and consistent performance. This manifold is ideal for serious tuners and performance enthusiasts looking to push their B-series or B20 engines to the next level.

Key Features

The Skunk2 Pro Series B18A-B/B20 Intake Manifold incorporates several advanced features to optimize your engine's airflow and performance:

• Oversized Plenum and Runners: Increased plenum volume and 8-inch tapered runners promote better airflow, supporting higher power output and torque across the entire RPM range.
• 64mm Throttle Body Opening: The large throttle body opening allows for greater airflow, which can be port-matched to 75mm for even more performance gains.
• High-Grade 356 Aluminum Construction: This premium alloy provides excellent strength, heat resistance, and lightweight characteristics, ensuring durability and reliable performance under demanding conditions.
• OEM Quality Shell Molded Casting: Ensures precise fitment and finish, matching the original equipment standards for seamless installation.
• Nitrous Mounting Bungs: Integrated bungs facilitate easy installation of nitrous systems for those seeking additional power boosts.
• Broad Powerband: Designed to deliver increased power and torque throughout the engine's RPM range, making it suitable for a variety of driving scenarios.
• Vacuum Tested: Each manifold undergoes rigorous vacuum testing to ensure quality and leak-free operation.
• Utilizes Stock Sensors: Compatible with OEM sensors, simplifying installation and tuning.
• CARB EO Approved: This manifold is approved for use in emissions-compliant applications, making it suitable for street use in California and other states with strict emissions laws.

Construction & Design

The Skunk2 Racing Pro Series B18A-B/B20 Intake Manifold is meticulously engineered from high-grade 356 aluminum, a material known for its excellent strength-to-weight ratio and thermal stability. The shell mold casting process ensures a precise, smooth finish that matches OEM standards, facilitating straightforward installation and optimal sealing. Its design features an oversized plenum and tapered runners that promote efficient airflow, reducing turbulence and enhancing volumetric efficiency.

The manifold's large throttle body opening is designed for maximum airflow, which can be port-matched to 75mm to unlock even more performance potential. The inclusion of nitrous mounting bungs offers versatility for forced induction setups, while the vacuum-tested construction guarantees leak-free operation. Overall, the design balances durability, performance, and ease of installation, making it a top choice for serious Honda and Acura tuners.

Installation & Fitment

The Skunk2 Racing Pro Series B18A-B/B20 Intake Manifold is a bolt-on upgrade designed for direct replacement on compatible Honda and Acura B-series and B20 engines from 1990 to 2001. No cutting, drilling, or extensive modifications are required for installation. It utilizes the stock mounting points and sensors, simplifying the process for experienced tuners and DIY enthusiasts alike. Proper tuning is recommended to maximize performance gains and ensure optimal engine operation.

• Direct bolt-on replacement for OEM intake manifold
• No cutting or drilling required
• Uses OEM sensors and mounting points
• Compatible with stock or aftermarket throttle bodies (port matching recommended for 75mm)

What's Included

• Pro Series B18A-B/B20 DOHC LS Intake Manifold
• All necessary mounting hardware and gaskets
• Installation instructions

Ideal For

• Honda and Acura enthusiasts seeking maximum airflow and power
• Builds focused on high-RPM performance and broad powerbands
• Street, track, or drag applications
• Those looking for a durable, high-quality intake manifold with CARB EO approval