Ram air intakes

[Eddie25]

Do they really make that big of a difference? and how do i keep water from going into the air box? my car does not have a drain on the actual pipe but might have on the air box this pic shows the exact layout of my engine. i want to remove the side scoop (bottom rightish) and make my own one to catch more air but im concerned that more rain will go through the airbox as it is approaching our wet and rainy season here now.

[Frank Lee]

Search function Eddie. Use it. Love it.

[MeteorGray]

Cold air intakes usually are used to increase power or for when the engine has an overheating problem.

For economy's sake, the warmer engine compartment air can be advantageous for the intake system, and partial grill blocking is sometimes done to increase aerodynamics and utilize the advantages of the warm inside air.

So, whether cold air intakes are beneficial depends on what you're trying to achieve.

[gone-ot]

As a "general" rule, most Ram-Air intakes only begin "working" at speeds above 100 mph and MPG typically is a secondary objective.

[Vman455]

You may find this helpful.

[oil pan 4]

If its for a diesel then yes it will help both power and fuel economy.