Recently, I tested AEM's Brute Force intake system on our '07 Jeep Wrangler. The Jeep's 3.8 V-6 does very well for itself but, like any vehicle, could use a little more power, especially while trying to spin the larger-than-factory tires. The JK's factory intake is slightly restrictive: The intake port opening is almost pushing into the inner side of the hood. I'm not one to second-guess Jeep engineers though, and I'm sure they had a good reason for designing the factory intake like this.
 The JK Brute Force intake...  The JK Brute Force intake kit from AEM comes with everything you need for complete installation, including detailed instructions. |  The Jeep JK's factory intake...  The Jeep JK's factory intake system is extremely simple to disassemble. We loosened the two hose clamps, disconnected the IAT sensor, and simply popped the airbox out of its mounts. |  The factory intake port is...  The factory intake port is almost up against the inside of the hood, restricting airflow into the engine. |
 Be extremely careful when...  Be extremely careful when pulling the AIT sensor out of the factory intake tube; it is fragile. Squirt a little WD-40 on the outside of the sensor and use a flat-blade screwdriver to pop it out of place using different points of leverage around its base. Don't force it, and make sure you don't damage the plastic seat. |  The new shield bolts to the...  The new shield bolts to the two factory holes of the old airbox mount. I ran a piece of tape across the bolts to hold them in place while I fastened the nuts and washers below. After that, I removed the tape. |  These are the only tools I...  These are the only tools I used: a flat-blade screwdriver, tin snips (for molding on top of shield), 1/2-inch and 5/16-inch sockets, a 7/16-inch open-end wrench, and the tape to hold the bolt heads in place. |
 |  | |