4” S&B High-Performance Replacement Intake Filter – Oiled & Dry Options

Premium 4” Air Filters – Powered by S&B, Trusted by GDP

When it comes to performance and protection, GDP didn’t settle—they partnered with industry leader S&B Filters to deliver top-tier filtration for their intake kits. The result? A massive, high-flow 4” air filter that not only looks aggressive under the hood but also delivers proven filtration performance and optimized airflow for your diesel engine.

Whether you prefer a dry filter for easy maintenance or an oiled filter for maximum dirt-trapping efficiency, we’ve got you covered. Choose the setup that fits your driving style and environment.

Filter Options:

• Dry 4” Filter – Low maintenance, great for daily driving
• Oiled 4” Filter – Superior filtration for dusty or off-road conditions
• Pre-Filters Available & Recommended – Extend filter life and add an extra layer of protection

Why Choose GDP + S&B?

• Oversized design for increased surface area and airflow
• Tested and proven by two trusted names in diesel performance
• Custom fit for GDP intake kits
• Built to perform in extreme conditions