Jeep Grand Cherokee SRT8 Ground Effects

Written by brian coughlin
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Jeep Grand Cherokee SRT8 Ground Effects
Ground effects improve the appearance and performance for a Jeep. (jeep rouge 2 image by Jerome Dancette from

The release of the Grand Cherokee SRT8 brought style and improved performance to Jeep's line of sport utility vehicles. This style and performance is coveted by owners of older Jeeps and as a result, a considerable number of companies are offering Jeep Grand Cherokee SRT8 ground effect body kits that allow older Jeeps to be upgraded to the look and style of this new breed of SUV. Four materials are used for ground effect body kits: fibreglass, urethane, ABS plastic and carbon.

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Urethane body kits are made from polyurethane, which is used to manufacture a variety of car parts including seats, bumpers and windows. A urethane body kit is one of the easiest to install because of its flexibility. Although these body kits are expensive, they are durable when faced with light impacts. Urethane parts are also resilient to varying weather conditions; however, if a urethane part is damaged, it cannot be repaired and must be replaced entirely. Urethane is also a heavier material so it could impact gas mileage.


Fibreglass is made from synthetic fibres and plastic resin. Fibreglass body kits tend to mould more to a car's contour, creating a more seamless effect. These kits are also easy to customise. Fibreglass is lighter than urethane and, unlike urethane, moderate damage to fibreglass parts can be repaired. A fibreglass body kit should be installed by a professional because, if it is installed incorrectly, fibreglass can have a wavy appearance.


Composed mostly of carbon atoms, carbon fibres are used to make a number of things including fishing rods, sailboat masts and racing car bodies. It is the preferred choice in items that need strength and light weight. This factor can greatly enhance gas mileage and speed performance. A carbon body kit has a professional look and requires no priming, painting or sanding. It is ready to install right out of the box. A clear UV protective coat should be applied to prevent sun damage. Although more durable than fibreglass, carbon body kits are also the most expensive. Like urethane body kits, damaged carbon parts are not repairable.

ABS Plastic

ABS plastic body kits are fabricated from petroleum-based thermoplastic material. These kits are comparable in price to urethane body kits. ABS plastic is durable and resilient in most weather conditions. In fact, the auto industry has declared ABS to be the best material for car body kits. Still, ABS has some drawbacks. Like urethane, ABS plastic body parts are nearly impossible to repair. This must be figured into the overall expense of installing a body kit.

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