Skunk2 Pro Series B18C1 Intake Manifold for Honda/Acura Integra 1994-2001 with 70mm Throttle Body Opening

More than a decade ago, Skunk2's engineers looked to the popular Integra Type R intake manifold for inspiration and went back to the drawing board. Skunk2's Pro Series Intake Manifold for Hondas B-series VTEC engines (GS-R only) features a larger plenum and oversized runners when compared to the ITR manifold for maximum horsepower and torque gains. Instead of producing a manifold with a significantly oversized plenum and excessively short runners that would sacrifice mid-range power, the Pro Series manifold was designed for the 'street enthusiast' who wants more power but doesn't want to sacrifice mid-range performance to get it. The results are improved airflow, an enhanced venturi effect, and both mid-range and top-end power gains. Skunk2's cast-aluminum Pro Series Intake Manifolds for Honda's B-series engines are a direct-fit replacement for all B-series engines thanks to three separate flange designs and are compatible with all factory sensors and throttle bodies as large as 75mm. Pro Series Intake Manifolds offer horsepower and torque gains greater than competitors' manifolds but without compromising mid-range power output. The design incorporates specially tapered runners as well as a larger, tapered plenum that together preserve mid-range power but increase and accelerate airflow to allow for significant top-end power gains. Pro Series Intake Manifold runner exits are also machined to best match the cylinder head's ports. Skunk2's Pro Series Intake Manifold's shape and design also increases wave scavenging effects at the engine's ideal operating range, which allow for a broad increase in usable power. Skunk2 is a familiar name in the intake manifold business, with more than 10 years of experience designing, testing, and building them. Similar to OEM manifolds, Skunk2's Pro Series Intake Manifolds are shell-molded from 356-aluminum, CNC-machined for superior strength, a precise fit, and a high-quality finish, and vacuum-tested for quality. Pro Series Intake Manifold; 70mm TB Opening; Can Be Inlet Matched To 74mm; As Cast;

• Ideal For Turbocharged And Naturally Aspirated Applications
• Eliminates Secondary Butterflies
• As Cast

The Skunk2 Pro Series Intake Manifold for Honda and Acura Integra B-series VTEC engines is engineered for enthusiasts seeking increased power without sacrificing mid-range performance. Inspired by the legendary Integra Type R intake manifold, this cast-aluminum manifold features a larger plenum and oversized runners designed to optimize airflow and enhance both top-end and mid-range power. Its precise CNC-machining ensures a perfect fit, while the shell-molded construction from 356 aluminum guarantees durability and a high-quality finish. This manifold is a direct-fit replacement for all B-series engines, including 1994 to 2001 Integra models, and is compatible with factory sensors and throttle bodies up to 75mm, with a 70mm throttle body opening that can be inlet matched to 74mm.

The design incorporates tapered runners and a larger, tapered plenum that work together to preserve mid-range torque while significantly increasing airflow for top-end gains. Additionally, the runner exits are machined to match the cylinder head ports precisely, promoting optimal wave scavenging effects at the engine’s ideal operating range. These features contribute to a broad increase in usable power across the RPM spectrum, making it suitable for turbocharged and naturally aspirated applications alike. The manifold also eliminates secondary butterflies, simplifying airflow and improving throttle response.

Skunk2's extensive experience in intake manifold design and testing ensures that this product not only delivers superior performance but also maintains compliance with EPA standards. The Pro Series Intake Manifold is vacuum-tested for quality assurance and features a sleek as-cast finish that adds a professional look to your engine bay. Whether you're upgrading for increased horsepower, torque, or overall engine efficiency, this manifold offers a reliable, high-performance solution that maximizes airflow and enhances your vehicle's capabilities.

Features:

• Larger plenum and oversized runners for maximum horsepower and torque gains

• Compatible with factory sensors and throttle bodies up to 75mm, inlet matchable to 74mm

• Designed for B-series VTEC engines, including 1994-2001 Acura Integra models

• Eliminates secondary butterflies for improved airflow and response

• CNC-machined from durable 356 aluminum for strength and precise fit

• Optimized runner and plenum design for broad power gains across RPM range

• Shell-molded construction with high-quality finish and vacuum testing for quality assurance

Fitment:
1994 Acura Integra GS-R
1995 Acura Integra GS-R
1996 Acura Integra GS-R
1997 Acura Integra GS-R
1998 Acura Integra GS-R
1999 Acura Integra GS-R
2000 Acura Integra GS-R
2001 Acura Integra GS-R

Air Freight Prohibited: false
Not Carb Approved: false
Carb Eo Number: D-537-2
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: Compliant
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1