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I decided to get extremely anal about the hosing installation and found a way to salvage most of the stock hosing units vs. new hoses provided by various kits. I presonally like the results and hope this helps other board member that are looking for similar results.
Part #s.
Breather Pipe: 17137-PCX-000 ($16.26)
Hose (3.5 x 80 - small): 95005-35008-10M ($30.00)
Hose (12 x 100 - large): 95005-12001-10M ($20.00)
By cutting the ends of the breather pipe as shown below for clearance you can keep the stock breather pipe to use with the CAI.
I like the breather pipe unit because it provides rigid clearance between radiator and engine belts.
I used a dremel and a cutting disk for the job.
Given you take the stock airbox out you can cut the breather pipe unit in place without having to remove any hosing from the breather pipe.
Once the intake is in place you can cut some of the hoses or add in certain cases hosing to the appropriate length.
The main vaccum hose is usual included in most CAI kits but i purchased one from honda.
I purchased a 4IG CAI and didn't like the orange hoses. Another reason why i went all out reinstalling the hoses.
See my webpage for my install. I moved the air box attached to the frame to the driver side of the engine bay...this moved pretty much all of the hoses away from the belts and shows a clear view of the engine.
The reason I didn't do something like that is so that when I go to return the car back to stock, I don't want to have a butchered stock piece to deal with.