When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
EBAY has'em for $35 and the claim is that add some hp and take about 5 minutes to install and causes the IAT sensor to adjust the ECU which in turn adjusts the air/fuel mixture for increased power.
My question is, does it work? and does it do any harm?