Solid Series Aluminum Air Cleaner – High-Flow Intake System for Harley-Davidson Sportster

Solid Series Aluminum Air Cleaner – High-Flow Intake System for Harley-Davidson Sportster

$250.00
The Solid Series Aluminum Air Cleaner is a high-flow motorcycle intake system built for Harley-Davidson Sportster riders who demand improved airflow, crisp throttle response, and clean custom aesthetics. Precision-machined from solid billet aluminum, this intake system delivers reliable performance with a minimalist cylindrical profile. Designed for CV carbureted and EFI Sportsters, it offers a true bolt-on upgrade with no external breather hoses required.
Kinetic Motorcycles
USA Designed & Made
Worldwide Shipping
High Precision Motorcycle Parts
Product Information

The Solid Series Aluminum Air Cleaner is engineered for riders who want dependable performance from a premium intake system.

This high-flow intake improves engine breathing, supporting smoother power delivery and sharper throttle response during everyday riding.

Precision-machined from solid billet aluminum—including the cover, backing plate, and spacers—the system provides durability, corrosion resistance, and a clean cylindrical aesthetic.

Internal crankcase ventilation eliminates external breather hoses or catch cans, keeping the engine bay uncluttered.

Proudly made in the USA, this intake is designed for long-term reliability, simple maintenance, and confident daily use.

Specifications
Material
Solid billet aluminum cover, backing plate & spacers
Finish
Machined aluminum (natural or anodized)
Diameter
4.25″
Depth
2.5″
Filter
KM-378R washable & reusable high-flow filter
Breathing System
Internal ventilation — no external hoses
Mounting
Complete bolt-on system with hardware & gaskets
Compatibility
CV carbureted & EFI Sportsters
Manufactured In
USA
Features
  • High-flow intake improves airflow and throttle response
  • Durable billet aluminum construction for long-term performance
  • Reusable KM-378R filter reduces maintenance costs
  • Internal breather design eliminates hoses
  • Precision-machined components ensure proper fitment
  • Minimalist cylindrical profile enhances custom builds
  • Designed for daily riding and reliable performance
Fitment
Harley-Davidson Sportster (2004–Present)
Iron 883, Forty-Eight, 1200 Custom
CV-carbureted models
EFI Sportster models
No external breather components required
Why Choose
Improves airflow and throttle response
Clean installation with no hose clutter
Billet aluminum durability and corrosion resistance
Reusable filter lowers long-term ownership cost
Engineered and made in the USA
FAQs
Is the filter reusable?

Yes. The KM-378R filter is washable and reusable. Service every 7,000–10,000 miles.

Will this fit my Iron 883 or Forty-Eight?

Yes. It fits all 2004+ Sportster models including Iron 883 and Forty-Eight.

Do I need breather hoses?

No. The internal system routes ventilation through the filter.

Is installation beginner-friendly?

Yes. It’s a full bolt-on system with hardware and gaskets included.

Is it EFI compatible?

Yes. Proper tuning is recommended after installation.

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

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