Solid Series Aluminum Air Cleaner – High‑Flow Sportster Intake System
The Solid Series Aluminum Air Cleaner is engineered for Sportster riders craving both performance and clean visuals. Crafted from solid billet aluminum with an aluminum backplate and spacers, this intake maximizes airflow while maintaining a sleek cylindrical profile. It includes our washable KM‑378R filter—reusable for thousands of miles and easy to maintain.
Designed for CV carbureted and EFI Sportsters (2004–present), this intake provides a bolt-on installation with no breather hoses required, clean crankcase venting, and a minimalist custom look. Perfect for Iron 883, Forty-Eight, 1200 Custom, or custom builds, it's built tough, looks good, and performs hard.
Specifications:
Finish: Machined billet aluminum, natural or anodized available
Dimensions: 4.25″ diameter × 2.5″ depth
Filter: Washable and reusable KM‑378R high-flow filter
Backing Plate & Spacers: Precision-machined aluminum
Breathing System: Internal crankcase ventilation – no hoses or catch cans
Mounting Hardware: All required bolts and gaskets included for bolt‑on fit
Material: Solid aluminum cover, plate, and spacers
Made in USA
The Solid Series Aluminum Air Cleaner is engineered for Sportster riders craving both performance and clean visuals. Crafted from solid billet aluminum with an aluminum backplate and spacers, this intake maximizes airflow while maintaining a sleek cylindrical profile. It includes our washable KM‑378R filter—reusable for thousands of miles and easy to maintain.
Designed for CV carbureted and EFI Sportsters (2004–present), this intake provides a bolt-on installation with no breather hoses required, clean crankcase venting, and a minimalist custom look. Perfect for Iron 883, Forty-Eight, 1200 Custom, or custom builds, it's built tough, looks good, and performs hard.
Specifications:
Finish: Machined billet aluminum, natural or anodized available
Dimensions: 4.25″ diameter × 2.5″ depth
Filter: Washable and reusable KM‑378R high-flow filter
Backing Plate & Spacers: Precision-machined aluminum
Breathing System: Internal crankcase ventilation – no hoses or catch cans
Mounting Hardware: All required bolts and gaskets included for bolt‑on fit
Material: Solid aluminum cover, plate, and spacers
Made in USA
The Solid Series Aluminum Air Cleaner is engineered for Sportster riders craving both performance and clean visuals. Crafted from solid billet aluminum with an aluminum backplate and spacers, this intake maximizes airflow while maintaining a sleek cylindrical profile. It includes our washable KM‑378R filter—reusable for thousands of miles and easy to maintain.
Designed for CV carbureted and EFI Sportsters (2004–present), this intake provides a bolt-on installation with no breather hoses required, clean crankcase venting, and a minimalist custom look. Perfect for Iron 883, Forty-Eight, 1200 Custom, or custom builds, it's built tough, looks good, and performs hard.
Specifications:
Finish: Machined billet aluminum, natural or anodized available
Dimensions: 4.25″ diameter × 2.5″ depth
Filter: Washable and reusable KM‑378R high-flow filter
Backing Plate & Spacers: Precision-machined aluminum
Breathing System: Internal crankcase ventilation – no hoses or catch cans
Mounting Hardware: All required bolts and gaskets included for bolt‑on fit
Material: Solid aluminum cover, plate, and spacers
Made in USA
Fitment:
Universal fit for all Harley-Davidson Sportster models 2004–present, including CV carbureted and EFI versions.
Completely compatible with stock or aftermarket backplates.
Internal breather system eliminates the need for external hoses or separate crankcase ventilation parts.
Why Choose the Solid Series Aluminum Air Cleaner?
High-flow intake: Increases airflow, throttle response, and engine efficiency
Reusable filter: KM‑378R element washes and re-oils for long-term use
All-metal construction: Durable billet aluminum enhances corrosion resistance
Seamless bolt-on: Easy install with included hardware, no modifications needed
Clean styling: Smooth cylindrical profile for clean, custom aesthetics
No external hoses: Internal breather system keeps your cockpit tidy and simple
Made in the USA: Built by Kinetic Motorcycles for quality and reliability
FAQs:
Q: Is this filter washable?
A: Yes, the KM‑378R filter is washable and reusable for up to 50,000 miles—clean every 7–10k miles.
Q: Will it fit my Iron 883 / Forty-Eight?
A: Absolutely. It fits all Sportster models from 2004–present, including Iron 883, Forty-Eight, 1200 Custom, and more.
Q: Do I need a breather hose or catch can?
A: No. The Solid Series uses an internal breathing system, eliminating the need for hoses or additional ventilation accessories.
Q: Can I install this myself?
A: Yes! It’s a true bolt-on kit with clear instructions, all hardware/gaskets included. Basic tools and mechanical experience are enough.
Q: Is it EFI compatible?
A: Yes. While built for CV carbureted models, this intake works great on EFI Sportsters. Just ensure proper tuning after install.