AirCase Grater Air Cleaner

AirCase Grater Air Cleaner

$150.00
The AirCase | Grater is a one-of-a-kind air cleaner assembly that combines retro-inspired styling with cutting-edge performance. Featuring a distinctive 4-piece horizontal grill design, it channels vintage vibes through a thoroughly modern, lightweight build. Made from extruded carbon fiber and nylon, it offers superior heat dissipation, durability, and flexibility. With a clean internal crankcase breather system and no external hoses, the AirCase Grater provides a sleek and performance-oriented upgrade for your Harley Sportster intake system.
Kinetic Motorcycles

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USA Designed & Made
Worldwide Shipping
High Precision Motorcycle Parts
Product Information

AirCase | Grater blends vintage grill styling with modern airflow engineering.

The distinctive 4-piece horizontal grille creates a layered mechanical look while housing a high-performance intake core based on Kinetic velocity stack architecture.

Constructed from an extruded carbon-fiber and nylon composite, the body offers superior heat dissipation, flex tolerance, and impact resistance compared to traditional metal air cleaner designs.

An integrated internal crankcase breather system eliminates external hoses, maintaining a clean, streamlined engine bay while supporting consistent airflow.

Specifications
Assembly Type
Complete air cleaner assembly
Cover Material
Extruded carbon fiber + nylon composite
Design
4-piece horizontal stacked grill
Dimensions
6″ W × 3″ H × 2.5″ D
Finish Options
Multiple body, mesh, and hardware colors
Construction
Lightweight, impact-resistant composite
Filter
KM-378R washable & reusable high-flow
Breather System
Internal crankcase ventilation
Mounting
Bolt-on with hardware & gaskets
Origin
Made in the USA
Features
  • 4-piece horizontal grill for layered retro styling
  • Carbon fiber + nylon composite resists heat soak
  • Internal breather system eliminates external hoses
  • KM-378R reusable high-flow performance filter
  • Lightweight, impact-resistant construction
  • Customizable mesh, hardware, and body finishes
  • Designed for improved airflow and throttle response
Fitment
Harley-Davidson Sportster models (2004–2020+)
EFI & CV-carbureted engines
Compatible with OEM and most aftermarket backplates
Direct bolt-on installation
Why Choose
Distinct layered grill styling with retro influence
Composite body reduces heat soak vs metal air cleaners
Internal breather keeps engine bay clean and uncluttered
High-flow reusable filter supports long-term performance
Customizable finishes to match any build theme
FAQs
Is this a full air cleaner assembly?

Yes. It includes the composite housing, filter, internal breather, and hardware.

Will it fit a 2016 Iron 883?

Yes. Compatible with all 2004+ Sportster models.

How does it differ from velocity stacks?

It uses similar internal architecture but adds a protective 4-piece outer grill design.

Is it heat-resistant?

Yes. The CF + nylon composite resists heat soak and provides impact durability.

Can I customize the look?

Yes. Mesh, hardware, and body colors are selectable.

Designed & Built in the USA

Every Kinetic product is designed and manufactured in the United States. Keeping our work in-house allows us to control quality, refine fitment, and stand behind every part we make.

A Decade of Hands-On Experience

Founded in 2013. A decade of machining, installing, riding and refining components on real bikes — not just in a lab. That experience shows in the quality of every part we ship.

Designed by Riders & Builders

Every product is shaped by hands-on building and riding experience, with practical decisions made where it matters most.

Innovation Meets Passion

Made in the USA

Founded in 2013 by Mike Le, Kinetic Motorcycles was built on a simple belief: motorcycle parts aren't generic hardware — they're personal. Every product begins as an original idea, designed by Mike and developed entirely in-house.

We don't rely on templates or outsourced shortcuts. Each part is shipped by hands-on fabrication experience and time spent riding, testing, and refining. Whether you're dialing in a daily rider or building something truly your own, our focus is the same — create parts that feel intentional, functional, and worthy of your motorcycle.

Innovation Meets Passion

What Our Customers Say

Really happy with the product. Took a while to get my order but they were out of the spark plug cables I ordered. I had to email and inquire what the deal was. They were super helpful once I initiated communication. Would have been cool to get some swag or something since they took so long. But the relocator is great. I really love it. And they responded promptly once I reached out to them. Their customer service is truly fantastic.

Brian Hopkins
Ignition Coils Relocator (L.E.) Relocator for Harley-Davidson Sportster

I had some questions on some bars, so I DMd them on Instagram. The dude I talked to was super helpful. I purchased the shirt because of his response. I’ll rep the brand due to the customer service.

Chet Michaelsen
Tank Lift Kit with Coil and Key Relocation for Harley-Davidson Sportster (1995–2022)

Precision-machined and bolt-on perfect. Took 30 minutes to install and the difference is night and day.

Samuel P.
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Customer support answered my DMs within an hour. Shipping was on point, packaging was premium.

Alex G.
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