West Bend Dyno Universal 4" Air Filter

West Bend Dyno Universal 4" Air Filter offers unmatched versatility and performance for virtually any engine bay, delivering cleaner air intake and long-lasting reliability.

Engineered for Universal Fit

Our universal 4" filter features an ultra-strong molded rubber flange that absorbs vibration and stretches up to 1/16" for precise sizing. Moreover, this pliable flange design ensures a secure attachment in tight spaces without leaks or rattles.

Core Benefits of a 4-Inch Performance Filter

By upgrading to a 4-inch performance filter, you’ll experience improved throttle response and consistent power gains. Furthermore, the cotton gauze media traps fine contaminants while maintaining high airflow. Additionally, the washable and reusable design cuts replacement costs over the life of your vehicle.

Key Specifications

• Style: Conical air filter
• Overall Length: 9.48 in.
• Inlet Flange ID: 4.000 in.
• Top Diameter: 4.73 in.
• Bottom Diameter: 6.000 in.
• Material: Multi-layer cotton gauze
• Color: Blue

Built for Easy Installation

This pliable flange air filter stretches to bridge sizing gaps, fitting a variety of intake tubes and throttle bodies. However, its design remains robust under engine heat and vibration. Moreover, simply slip it on, clamp down, and you’re ready to go—no welding or complex adapters needed.

Wide-Ranging Vehicle Application

Whether you’re tuning a 1995–2025 import, classic muscle car, or off-road rig, this reusable cotton gauze filter adapts seamlessly. Furthermore, compatible with most 4" intake setups, it works equally well on turbocharged, supercharged, and naturally aspirated engines.

Washable, Reusable, Reliable

West Bend Dyno’s vibration-absorbing air filter not only boosts performance but also reduces waste. Simply clean and re-oil with an AIRAID oiled filter cleaning kit, and the filter returns to near-new condition. Therefore, you maintain peak airflow without frequent replacements.

Why Choose West Bend Dyno Filters?

For over a decade, West Bend Dyno has delivered precision-engineered intake components trusted by DIYers and professionals alike. Moreover, each universal air filter upgrade undergoes rigorous testing to ensure longevity, high airflow, and excellent filtration efficiency.

Ready to Upgrade Your Intake?

Don’t settle for stock paper elements that restrict airflow and demand constant replacement. Tap Add to Cart now to secure your West Bend Dyno Universal 4" Air Filter and unleash the full potential of your engine!