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Cold Air Intake?

sledheadgeorge

TY 4 Stroke God
Joined
Apr 28, 2003
Messages
1,619
Location
Ontario
Country
Canada
Snowmobile
Which one? I have 6
Anyone running a CAI without a tune? I'd like to keep stock tunes and get more air flow under the shroud and around the clutches.
 

Leave the stock box on a stock sled. You end up with cooler intake temps and cooler clutches with the stock box. Under hood air, notice I didn't all it cold air, (It's 100*F, not cold air intake) consumes more air than is delivered thru the screen up front. How do I know this? Look at the CAI filter after some run time. It's full of belt dust and the clutches live life way behind and far away from the CAI filter!

I will say however the CAI does run leaner AF ratio so it is less restrictive than the stock box. The underhood intake should actually be called a WAI.
 
It helps if you add additional air and seal off the area where the filter is from its surroundings. It needs to draw air from outside and not heated dirty air from under the hood.
 


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