• Direct bolt-on replacement for OEM manifold
• Say goodbye to vacuum leaks & rough idle
• CNC billet aluminum for long-lasting performance

CNC High-Performance Intake Manifold Harley M8 Models 20172025

Eliminate Intake Leaks Upgrade Idle Stability & Throttle Smoothness

The OffRamp CNC-machined aluminum intake manifold is a direct upgrade over the stock plastic/rubber manifold found on Milwaukee-Eight engines.

Designed to solve common air leakage issues caused by OEM material fatigue, this precision part restores proper air delivery, idle smoothness, and throttle response.

Key Features

• Material: CNC-machined billet aluminum high strength and heat resistant
• Diameter: 55MM
• Includes: 3 high-temperature sealing O-rings (standard)
• Performance Benefits: Eliminates air leaks that cause rough idle and throttle hesitation
• Finish: Black anodized or raw aluminum (depending on availability)
• Installation: Bolt-on, no ECU tuning required for stock applications

Why Upgrade?

• OEM intake manifolds often degrade over time, leading to vacuum leaks
• Leaking manifolds cause poor idle, misfires, or jerky throttle
• This CNC billet alternative guarantees long-term reliability and consistent airflow

Fitment

Compatible with 20172024 Harley-Davidson Milwaukee-Eight (M8) models, including:
Fat Boy / Breakout / Heritage / Commander / Deluxe / Street Bob / Softail Standard / Fat Bob / Low Rider / Road Glide / Street Glide / Road King / Electra Glide

What’s in the Box

• 1 KAFEIN CUSTOMS CNC intake manifold
• 3 Sealing O-rings (high-temp rated)
• Mounting hardware (optional, based on variant)

Notes

• Compatible with all Milwaukee-Eight (M8) engines from 2017 to 2024
• Professional installation recommended for optimal sealing
• Available in standard and performance-tuned variants

Restore power, smoothness, and reliability