Air Intake & Fuel Systems

Harley Air Intake & Fuel Systems — Performance Upgrades for Better Power & Efficiency

Welcome to our Harley Air Intake & Fuel Systems collection — your complete source for performance upgrades that help your Harley-Davidson breathe better, run cooler and deliver stronger, smoother power. Whether you ride a Touring model, M8 Softail, Dyna, Sportster or a custom build, improving airflow and fuel delivery is one of the most effective ways to enhance your bike’s performance.

From high-flow air cleaners to fuel tuners, throttle bodies, injectors and carb components, the right intake and fuel upgrades ensure your engine gets the ideal air-fuel mixture for optimal combustion and efficiency.

Why Upgrade Your Harley’s Air Intake & Fuel System?

Your Harley’s engine is essentially an air pump — the more efficiently it moves air and fuel, the more power and throttle response it can produce. Upgrading these systems offers major benefits:

• Stronger horsepower and torque

• Improved throttle response and faster acceleration

• Cooler, more efficient engine operation

• Better fuel usage and cleaner combustion

• Enhanced performance after exhaust or cam upgrades

• More consistent tuning for long-term reliability

For riders running Stage 1–3 upgrades or custom builds, dialing in the air and fuel system is essential.

What to Consider When Choosing Air Intake & Fuel Components

1. Your Harley Model & Engine Platform

Make sure components match your engine type — Milwaukee-Eight (M8), Twin Cam, Evolution or Sportster. Proper fitment ensures correct airflow and fuel delivery.

2. Performance Goals

• Stage 1 riders may focus on air cleaners and basic fuel tuners.

• Performance builds may need upgraded throttle bodies, injectors or complete fuel-management systems.

• Carbureted Harleys benefit from jet kits, needles and high-flow filters.

3. Air Intake Style

Choose based on desired airflow, filtration quality and riding environment:

• High-flow air cleaners

• Forward-facing intakes

• Low-profile intakes

• Filter-element upgrades

• Rain socks and covers

4. Fuel Management Needs

After intake or exhaust upgrades, proper fuel tuning is essential to avoid running lean or losing performance. Options include:

• EFI tuners

• Programmable fuel controllers

• Auto-tune modules

• Re-jet kits for carb models

5. Riding Style

Touring riders may want smoother throttle response and cooler operation. Performance riders may prioritize maximum airflow and fast fuel correction.
Daily riders want reliability, longevity and easy maintenance.

Frequently Asked Questions

Do I need a tuner if I upgrade my intake?
It is highly recommended. Anytime you increase airflow with a high-flow intake, you should correct your fuel mixture with an EFI tuner or carb jetting.

Will an intake upgrade increase horsepower?
Absolutely — a high-flow intake paired with proper tuning can deliver noticeable gains in torque, throttle response and top-end performance.

Are air cleaners and intakes different?
Air cleaners typically refer to the filter and housing. Intakes often refer to complete airflow systems designed for maximum performance.

Can I use these components on a stock engine?
Yes — even stock Harleys benefit from better airflow and fuel tuning for smoother power and cooler running temperatures.

Unlock Your Harley’s Full Performance — Shop Air Intake & Fuel Upgrades

Browse our complete selection of Harley air intake and fuel system components to find the perfect setup for your riding style and performance goals. From simple bolt-on upgrades to full tuning packages, we help your Harley breathe better, run stronger and deliver the performance you expect.