This purely bolt-on kit is said to improve torque by 15 percent over stock levels. Edge claims these gains on an '00 Wrangler with a five-speed manual transmission. With the Trail Jammer system installed, the TJ produced 177 hp and 232 lb-ft of torque versus the stock 156 hp and 202 lb-ft of torque. The Trail Jammer kit includes three main components: a throttle body, an electronic module, and a cold-air intake system. Information: 888/360-3343, www.edgeproducts.com.
These new modular arms were developed for TeraFlex's MAX-LCG suspension system, and they're useful for the do-it-yourself suspension fabricator as well. They are said to provide superior strength, while offering a maximum shank length of 4 inches of increased adjustability. The steel housing is forged, machined, and zinc-plated for durability. The modular joints are interchangeable and replaceable for complete customization to a specific driving style or terrain. They come standard with TeraFlex's FlexJoint ends, but are also available in OEM rubber and spherical-steel. FlexArms come in stock-length configurations for such vehicles as TJ Wranglers, XJ Cherokees (front), and all ZJ Grand Cherokees. Information: TeraFlex at 801/288-2585, www.teraflex.biz.
This Shock Absorbing Ball Mount by Robin Industries utilizes an elastomeric element to isolate shock and vibration when towing. The mount is available in four models and comes with Robin's Versadur specialty coating. Information: 216/631-7000, ext. 31, www.robin-aftermarket.com.
Poison Spyder Customs has released the Rear Stinger tire carrier for Jeep Wranglers. Designed as a drop-down tire carrier (as opposed to the standard swing-out); this Rear Stinger will accept up to a 38-inch tire. It's said to be designed to increase departure angle, provide a skid surface to protect the spare tire, and aid in the prevention of a rear rollover. The Rear Stinger will provide a unique hard-core look for the rear of your Jeep. Currently available for '97-present TJs and LJs, with YJ and CJ versions coming soon. Information: 303/777-4820, www.spydercustoms.com.
Pro Comp Suspension's 7-inch Stage II kit for the '05 Ford 4x4 Super Duty F-250/350 is newly designed and provides ample clearance for aggressive 37-inch tires. It features a unique replacement radius arm that is substantially stronger than the stock unit. New front coil springs replace the stock units for optimal spring rate, and rear leaf-spring assemblies balance out the rear. MX6 or MX6R shocks are available, which feature six-position, externally adjustable damping. This system also includes a forged pitman arm, and sway-bar brackets. Factory steering geometry is maintained for optimal ride quality. Information: www.explorerprocomp.com.
Jeep drivers with 4.0L engines can get a cost-effective performance boost from Edelbrock's new Shorty header (PN 65922) coated with Ti-TECH. This new Tri-Y design header will bolt directly to the factory exhaust system. Using 1 1/2-inch-diameter 409 stainless-steel primary tubes, a 1/2-inch-thick, laser-cut port flange and 3/8-inch-thick laser-cut collector flange, the new header improves performance for '91-'99 4.0L Jeep vehicles. The Ti-TECH coating is said to have heat stability to 1,600 degrees F. Information: www.edelbrock.com.
The StowAway Max carrier is the newest addition to the StowAway line of hitch-mounted carriers. Offering easy, ground-level access to the user, all of the StowAway carriers provide the active traveler with much needed space for that extra gear, without the accessibility limitations of rooftop carriers. When mounted on its patented swing-away frame, the StowAway Max provides clear access to the rear of the vehicle with the simple lift of a release latch. Like all StowAway carriers, the StowAway Max is molded from the same polymer used in whitewater kayaks, offering the user exceptional durability and lifespan. The StowAway Max is available directly from Pacific Recreational Products through the StowAway Direct program. Information: 800/943-5377, www.stowaway2.com.