Purchasing a snorkel ought to improve your car's performance at most engine speeds. ... This effect improves fuel efficiency while also improving engine power. Once installed, your 4WD will be ready for new adventures and maybe some river crossings and let's be honest….

Do snorkels increase performance?

Increased engine performance and efficiency.

Whether on road or off road, a snorkel can improve engine efficiency by drawing in cooler, cleaner and uncontaminated air due to its elevated position.

How much horsepower does a snorkel add?

There would be no power increase from a snorkel. The only ram air that increases power is from a turbo or supercharger - that I know of. Wind coming into a 2X3 opening at 10-60MPH would do very little in my opinion.