Rocket Performance Garage M8 Performance Intake Manifold - Harley Milwaukee-Eight
About Rocket Performance Garage Llc
Rocket Performance Garage builds V-twin performance and custom parts, working in the modern bagger and Softail space.
Replace the restrictive OEM plastic intake manifold on your Milwaukee-Eight with the Rocket Performance Garage M8 Performance Intake Manifold. This upgrade is crafted from T6 heat-treated cast aluminum with precision CNC-machined surfaces, designed to unlock significant airflow gains for your V-twin.
Why riders pick this
- Replaces restrictive OEM M8 plastic intake manifold
- T6 heat-treated cast aluminum construction
- CNC-machined surfaces for precise port matching
- Hand-ported, high-flow design for power gains
- Delivers measurable horsepower increases
- Includes new rubber O-ring for a secure seal
When chasing horsepower on a Milwaukee-Eight, improving airflow is critical. The Rocket Performance Garage M8 Performance Intake Manifold directly replaces the factory unit, which can be a bottleneck, especially on larger displacement engines. Its hand-ported, high-flow design is engineered to deliver measurable power increases across the RPM range, making it an essential upgrade for any M8 owner looking to get more out of their motor.
Unlock Your Engine's Potential
- T6 heat-treated cast aluminum construction for durability and performance
- CNC-machined surfaces ensure precise port matching for optimal flow
- Hand-ported, high-flow design engineered for horsepower gains
- Designed as a direct OEM replacement for straightforward installation
Optimized Airflow for Any M8 Build
This performance intake manifold is designed to deliver benefits across a range of Milwaukee-Eight configurations, from stock engines to those with big-bore kits and cam swaps. While it offers improvements on any M8, the gains are particularly noticeable on 114 cubic inch and larger displacement motors. For best results, consider pairing this intake with a high-performance air cleaner and a proper dyno tune to fully realize its potential.
Specifications
- Brand: Rocket Performance Garage
- Manufacturer Part #: 9-9000
- Material: T6 Heat-Treated Cast Aluminum
- Length: 9 in
- Width: 5 in
- Height: 5 in
- Weight: 1.5 lbs
Common questions
Will this intake manifold fit my 2020 Road Glide Special?
Yes, this Rocket Performance Garage M8 Performance Intake Manifold fits 2017-2024 Harley-Davidson Milwaukee-Eight Touring and Softail models, including your Road Glide Special.
Do I need a custom tune after installing this intake manifold?
Any modification that significantly alters airflow, like a performance intake manifold, typically benefits from a dyno tune to optimize fuel delivery and ignition timing for maximum performance and engine longevity.
Is this manifold a direct bolt-on replacement for the factory part?
Yes, this intake manifold is designed for direct OEM replacement fitment, making the installation process as straightforward as possible for the mechanically inclined rider.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Rocket Performance Garage Llc |
| TYPE | Intake/Carb/Fuel System |
| SKU | 276-02079 |
| WEIGHT | 1.5 lb |
