Wings or spoilers are installed in the car's rear for added sporty look. It is included in the category of car replacement products and is available in universal, factory and custom styles. Factory style is the product's original form as produced by manufacturers. Custom style is the owner's personalized style while universal style is the look in fashion that may change for every season. Spoilers are made of flexible and durable automotive polyurethane. Installation commonly requires drilling holes through kit and wheel well lip for attachment of body screws. Special tapes could also be used for easier installation.