Air Intake Kit

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FAQS

A quality CAI typically adds 10–25 hp and 20–50 lb-ft torque on stock-to-mild tunes by reducing inlet air temperature and restriction. Gains are more noticeable on tuned trucks where the factory box becomes a significant bottleneck.

Colder air is denser, meaning more oxygen per intake stroke. Diesel engines rely on fuel injection quantity — not air-fuel ratio — for power. Denser charge air lets the injectors work more efficiently, improving combustion and reducing exhaust gas temperatures.

Both filter types filter effectively — oiled cotton filters (like K&N) capture finer particles and wash clean; dry filters (like S&B) require no oiling and are less messy to service. For dusty off-road conditions, an oiled filter has a slight edge.

Yes. Heat shields isolate the airbox from engine bay radiation, keeping intake air temperatures closer to ambient. Without one, the CAI draws hot air from under the hood — eliminating most of the performance benefit, especially in stop-and-go driving.

Unlikely if the MAF sensor and intake tubing are properly sealed. A loose connection or unmapped MAF calibration can trigger codes. Most drop-in replacement intake kits are designed to work within factory sensor parameters.

Inspect and clean the filter every 15,000–20,000 miles. Oiled filters need re-oiling after every cleaning. Replace the filter every 50,000–100,000 miles depending on driving conditions — dusty environments shorten filter life significantly.