
Ram-Air Intake for L5P Duramax
Upgrade your GMC 3500 Denali with the Banks Ram-Air Intake. Enjoy freer breathing, crisper throttle, and turbo whistle without check-engine lights.
The Leader in Diesel Performance
Upgrade your GMC 3500 Denali with the Banks Ram-Air Intake. Enjoy freer breathing, crisper throttle, and turbo whistle without check-engine lights.
Keep your Duramax MAP sensor clean with the Banks MAP Sensor Relocation Kit. Prevent soot buildup, improve reliability, and extend sensor life.
The Banks Dual-Heat Monster-Ram doubles cold-start power to 1,500 watts, adding a second coil heater for extreme climate Cummins owners.
These 12-valve Cummins upgrades wake up a ’90s RAM with real airflow and safe boost control. Banks Twin Ram, Ram-Air, and Big Head actuator sharpen response and reliability.
Banks exposes the “dirty little secret” of other intake brands and shows how the 2024+ Duramax L5P Ram-Air Intake delivers real airflow gains.
Banks airflow upgrades for the 6.0L Power Stroke include the Intercooler, High-Ram, and Boost Tubes—delivering more power, durability, and efficiency.
Banks Ram-Air Differential Cover and CoolRunner Oil Pan upgrades add capacity, reduce heat, and improve durability on a GMC Denali.
The side draft intake manifold pioneered by Gale Banks returns on the 2025+ Cummins 6.7L, delivering better airflow and proven performance.
The Banks Derringer Tuner for 2024–25 Duramax 6.6L delivers +86 hp and +178 lb-ft, transforming towing performance and everyday drivability.
The Banks Ram-Air Intake increases mileage and adds turbo whistle on the 2024 GMC Duramax, delivering proven gains in just 45 minutes.