What It Is: Specifically designed for diesels, it's a turbo-back dual exhaust with 4-inch pipes and 5-inch-diameter tips.
Why It's Cool: More horsepower, more torque, it uses the stock hangers, and it looks and sounds killer.
More Info: 888/636-7223, www.mbrp.com
What It Is: Waxes, polishes, glass cleaners, and tire cleaners utilizing the latest in space-age polymers to help fight corrosion and rust
Why It's Cool: After a mucky day in the Mud Pit, you'll be glad you've got these goodies at home.
More Info: 800/347-5700, www.meguiars.com
What It Is: MileMarker's newest electric unstucking device is available in either 12- or 24-volt applications and uses a 4.6hp motor
Why It's Cool: It uses 100 feet of 3/8-inch cable, beefier than the usual 5/16-inch.
More Info: 800/886-8647, www.milemarker.com
What It Is: A choice of treads from either the Terra Grappler or Mud Grappler line.
Why It's Cool: They come in a wide variety of sizes now, from a 33x12.50 all the way to bling-a-ling 40x22s. Plus, they look cool and they work.
More Info: www.nittotire.com
What It Is: Two-hundred and fifty clams towards goodies from OMF's catalog of high-quality aluminum 4x4 components.
Why It's Cool: You can get whatever you want with it!
More Info: 951/354-8272, www.omfperformance.com
What It Is: Protection for your bead-lock bolts and outer rings come in the form of these cool bolt covers, which fit most 24-bolt bead-locked wheels.
Why It's Cool: It sure wouldn't hurt to have these in the Mini Rubicon.
More Info: 951/354-8272, www.omfperformance.com
What It Is: Featuring Spiralcell technology for vibration resistance and extended cycle life, the Optima line has long been recognized as the wheeler's best friend for rigorous trail use.
Why It's Cool: Leakproof and spillproof, they're eco-friendly, and unlike humans, they never need water.
More Info: 888/867-8462, www.optimabatteries.com
What It Is: Drive gears to replace an existing 35-spline Dana 60 locking hub or drive-gear assembly.
Why It's Cool: They're heat-treated and CNC-machined from 4140 alloy steel, and come oxide- and wax-coated to resist corrosion.
More Info: 805/783-2060, www.polyperformance.com
What It Is: A high-performance air system that uses a preset 160psi regulator, and flow rates of up to 31 cfm, for lightning-quick air-up speeds.
Why It's Cool: How about inflating a 35-incher from zero to 30 psi in 30 seconds?
More Info: 209/366-2163, www.powertank.com
What It Is: A high-output alternator that'll allow you to keep your battery charged during heavy winching or when welding.
Why It's Cool: It's easy to install, and requires no special gauges or lights.
More Info: 970/963-8875, www.premierpowerwelder.com
What It Is: Ramsey's newest 12-volt winch, which features a beefy 5.5hp motor and a 9,500-pound capacity.
Why It's Cool: Synthetic winch rope-it's lighter, safer, and easier to handle.
More Info: 918/438-2760, www.ramsey.com