Here you go guys, I saw this mod for the chevy pickups on another site. I figured I would share it with you!


This was originally posted by Ridgekid of chevytruckworld.tenmagazines.com

Enjoy!






THE AIRBOX MOD:

Tools:
3" holesaw
Small Drill bit
Phillips screwdriver
Dremel cut tool

Material:
4 SS screws
.025 sheet of aluminum (cut out of 8"x 18" sheet)
Shop vac filter.

1. Remove Airbox from Vehicle
2. Locate the side of the filter box facing the headlight assembly. In the lower left corner, remove the 3 center ribs on the outside of the box with Dremel.
3. Drill a 3" hole into airbox between the two remaining ribs.
4. Cut a piece out of the shop vac filter to fit area where the hole is and between the two ribs you didn't cut out.
5. Cut the Aluminum sheet to the same size as the shop vac filter and drill a 3" hole in the middle. Try to match the hole location in airbox.
6. Drill 4 pilot holes and attach to airbox using SS screws.

Recommendations:
1. Use material that won't rust.
2. Alternate material-Corragated metal (if you can find it)
3. Reason I chose shop vac filter? If it can keep water out of a shop vac motor, it will keep the bugs and water out of my K&N filter.

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Sticky!

 

Wouldn't that suck hot air into the intake?

 

I believe that the creators idea was to draw somewhat cool air from just behind the headlight assembly but due to the free flowing design characteristics of the current OEM airbox there is little to be gained from simply knocking holes in the thing.
Although I'm sure we'll soon be resounded with the claims of 30mpg and an extra 50hp.

 

I would sticky it rabbit, but I just don't think its a great mod. It'll improve airflow yes, but also increase the IAT readings, which isn't a good thing.