Cold air intakes are usually placed in the fender well area, which brings in a cooler charged air from beneath the car (outside of the engine bay), which is denser and therefore creates more power.
cold air intake
Cold air intake, supercharger and down pipes.
cold air intake, K & N airfilter dual exhaust
Cut off catalyic converter and add a cold air intake system.also improves mpg
From 5 to 10 horsepower.
To increase the horsepower of a diesel engine you need to put either a turbo charger or a supercharger on it. Cold air intake will also help.
A cold air intake will increase your horse power
it all depends on the motor but on my 2007 ford powerstroke diesel v-8 it added a 25 horsepower increase with a k&n cold air set for around $228
A cold air intake would take in all surrounding air and it would increase your horsepower a certain amount. The warm air it takes in would not affect it much.
The cold air intake may add 5-10 hp to the 335 it was built with.
what year
Ram air intake aka, short ram intakes are good for low end horsepower and torque Cold air intakes have more horsepower gaines then short ram and more top end power. If your looking for more torque then horsepower, meaning more acceleration but dont care about topping out your car, then short ram intake is what you want. If you already have enough torque and just want more horsepower and go fast as possible, then cold air intake is what you want.