The Password:JDM PowerChamber design makes more useable horsepower for normal and performance driving conditions. The problem with most CAI, is that they all look the same. It’s pretty much a filter on a stick if you think about it. It’s like trying to suck air or fluid through a very long skinny straw. CAI gives you peak gains and often flat results elsewhere on the power curve. The Password:JDM Dry Carbon PowerChamber delivers real life useable HP all throughout the power band. We spent hours upon hours engineering this PowerChamber so that we deliver to you a true performance product. Installs in less than 30 mins and requires the relocation of the battery from the stock location (Battery Relocator kit sold separately