Banks Ram-Air Intake System 2025-Current GM 6.6L L5P 2500/3500, Oiled Filter

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The Ram-Air intake system for the 2025-26 Duramax 6.6L helps the engine produce horsepower at lower RPM, sharpens turbo response, and improves fuel economy by improving air mass flow to the turbo. This is made possible by our patented electronics. Meanwhile, all competitors must retain near stock airflow or risk setting a check engine light.

Why It's Better
Only intake that improves mass air flow over stock
Improves turbo response
Improves fuel economy
Massive filter extends service life, fewer cleanings
Housing keeps out hot air
Housing increases air volume around filter
Connects to OEM hood scoop
Rubber elbow allow for engine movement
Increased turbo sound, no drone
Oiled or dry high efficiency filter
No check engine light
Includes Banks Air Mass Control Module
Includes Banks Crankcase Ventilation Control Module
U.S. Patent 11,193,441
Brand new for the 2020-2023 Duramax L5P platform, the Banks Ram-Air intake is a game-changer. With 2020 and up Duramax engines, GM has further tightened the allowable range for induction tuning. To counter this, Banks engineers have designed a new patented Air Mass Control Module that allows an intake design to go beyond these limitations for truly unmatched airflow performance.

With a Big-Ass filter, huge induction tube and a unique bellowed silicone coupler to allow for engine movement while tapering down to increase air density, your 6.6L engine will breathe easy and cleanly. Its enclosed airbox design keeps power-robbing heat away and attaches to the OEM hood and front ram air scoops for even better performance at speed on the highway. An extra side inlet opens up to the wheel well for fresh air and a strong induction note sound.

Specifications

Brand new for the 2025-26 Duramax L5P platform, the Banks Ram-Air intake is a game-changer. With the 2025 model year Duramax engines, GM added a new sensor into the intake system to monitor Crank Case Ventilation Pressure. To get past this airflow limitation, we engineered a new patented Air Mass Control Module and a Crankcase Ventilation Control Module that allow the intake to go beyond these limitations for truly unmatched airflow performance.

With a Big-Ass filter, huge induction tube and a unique bellowed silicone coupler to allow for engine movement while tapering down to increase air density, your 6.6L engine will breathe easy and cleanly. Its enclosed housing keeps power-robbing heat away and attaches to the OEM hood and front ram-air scoops for even better performance at speed. An extra side inlet opens up to the wheel well for fresh air and a pleasant induction sound.