Performance-driven riders looking to extract more horsepower and torque from their Harley-Davidson Milwaukee-Eight platform now have a race-developed option straight from the track. Feuling Parts has officially launched its new Anti-Reversion (AR) Intake System Air Cleaner Kit, originally engineered for the company’s GP Bagger race bike and now available for Gen-1 M8 engines, with Gen-2 applications coming soon.
Drawing on years of experience designing high-performance cylinder heads, intake manifolds, ports, and combustion chambers, Feuling has developed a bolt-on intake system that focuses on airflow efficiency, intake velocity, and real-world power gains.
Race Development Meets Street Performance
The Feuling AR Intake System lengthens the intake tract to increase both velocity and volume entering the engine. At its core is a one-piece, 5-axis machined billet aluminum elbow paired with a high-flow velocity stack. Unlike traditional designs, the flow bench-developed velocity stack protrudes into the air filter element itself, helping increase intake velocity before air reaches the throttle body.
The system’s custom-developed air filter features an internal radius designed to further smooth airflow and reduce turbulence. Combined, these design elements aim to minimize reversion while maximizing cylinder fill—key factors in unlocking additional horsepower and torque.
Designed for Serious M8 Builds
The AR Intake System is engineered to deliver impressive gains on stock Milwaukee-Eight engines, but the real benefits shine on modified combinations. Engines equipped with ported cylinder heads, upgraded intake manifolds, and larger throttle bodies can expect exceptional improvements in airflow and overall performance.
The backing plate incorporates an optimized breather vent location while retaining standard engine venting, maintaining proper function without unnecessary complication. Finishing touches include engraved FEULING and MADE IN USA logos, reinforcing the brand’s American manufacturing roots.
Flow Numbers and Fitment
- Max Flow:
- 625 CFM @ 28” (Standard Filter)
- 635 CFM @ 26” (Race Series Filter)
- 625 CFM @ 28” (Standard Filter)
- Fitment:
- 2017–2024 Milwaukee-Eight models
- Excludes 2023–2024 FLHXSE, FLTRXSE and 2024 FLHX, FLTRX, FLTRXSTSE
- 2017–2024 Milwaukee-Eight models
For riders chasing measurable airflow gains and race-inspired engineering in a clean, bolt-on package, the Feuling AR Intake System delivers a purpose-built upgrade for the modern Harley-Davidson M8 platform.
As performance baggers and high-output street builds continue to push limits, components like the Feuling AR Intake System prove that airflow—and how you manage it—still makes all the difference. HB
