Gibson Performance Exhaust
What: After-cat dual exhaust and headers for Unlimited
Wares: Includes two 2 1/2-inch mandrel-bent tailpipes, Superflow Performance CFT muffler, and two 3 1/2-inch polished stainless steel tips.
Words: "Precision-built headers deliver more power, performance, and increased torque; engineered as a direct replacement for the factory manifold."
Wallet: Starts at $444
What: Yellowstuff pads
Wares: High-friction pads with Aramid fibers.
Words: "They have extremely good initial (cold) friction and canwithstand very high temperatures."
Wallet: Front pad sets are $139
What: Dual-friction clutch
Wares: Replaces the stock pressure-plate assembly.
Words: "A more reliable assembly with a higher holding capacity that is designed as a direct bolt-in."
Wallet: Between $415 and $450
What: Xtreme Duty air intake system (XDi)
Wares: Sealed system, with two-stage foam air filter, powdercoated canister, and silicone couplers. Has a 5-inch inlet.
Words: "We remove the restrictive mufflers and resonators on the stock tubing and replace them with smooth mandrel-bent tubing. Increases the airflow by over 50 percent and increases power by up to 27 hp and up to 62 lb-ft of torque."
Wallet: MSRP is $398
Volant Cool Air Intakes
What: Periscoop intake
Wares: Made from X-link polyethylene plastic. Includes sealed air-filter box, high-velocity air-intake tube, and PowerCore air filter.
Words: "Two-part intake system that protects your filter from moisture and dirt and allows you to make deep water crossings without stalling."
Wallet: MSRP is $710
Spod By: Precision Designs
What: sPOD system for wiring accessories
Wares: Includes hardware, labels, six-switch wire harness kit, and six circuit relay/fuse center.
Words: "Power distribution system is conveniently under the hood for accessibility and allows easy installation of all your accessories. When adding accessories, you simply plug them into the central terminal block."
What: Flashpaq programmer
Wares: Plug it into the diagnostic plug under the dash, then select performance level and options. Adjust speed limiter, shift firmness, tranny performance, and more.
Words: "Jeep-exclusive features include 4WD-high axle locking (front or rear), a low-throttle response crawling tune, calibrate for transfer-case gear changes."
Wallet: Less than $400