Quote:
Originally posted by JustinP10
Hey guys, before you go too far on this idea... It's already in the works to test a 2.5" vs. 3" CAI... also every combo of the two intakes, 3" top pipe w/ 2.5" lower pipe, etc.... All the setups are going to be dyno tested and we'll find out what combo works the best for top end power, mid range, low end, etc....
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Most car manufacturers make the inlet to the intake larger than it is at the point it enters the throttle body/carburetor. The reason for this is that it speeds up the air going into the engine. A large amount of air enters the intake and as it gets smaller the air has nowhere to go but into the engine. In order to fit the same amount of air in a smaller space, it has to speed up. This venturi effect increases horsepower.
...or something like that.
