Quote:
Originally Posted by Ray knight
So i have a big old hole in the bottom of my airboxes. I've read that the block off plates will improve power but what about the snorkel in the newer cars? I want to have my dealer get me one or the other but which is better? Also, has anyone just duct taped the hole closed instead of spending $300 on factory plates? Or riveted on a piece of plastic?
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I taped mine off as a test after removing the snorkels. I taped inside and outside of the airbox to maximize bonding area. After 2 weeks and a couple of WOT runs i checked on the airboxes and both sides had the tape pulled away on one side of the hole. This would initially seem to me the hole is needed to allow enough airflow (maybe not enough) through the cold air side of the airbox.