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Injen was founded in 1991 by Ron Delgado, a young entrepreneur with a passion for innovation and a desire to improve the performance of vehicles. The company began as a mission to perfect the art of polishing products for a family "job shop" business, which quickly grew into a quest to develop industry-changing design and manufacturing solutions. Injen's pioneering patent allowed enthusiasts to achieve better performance from their vehicles without triggering "Check Engine Lights," and the company has since developed several more patents that have been applied to thousands of new products.

Today, Injen is a household name among enthusiasts who demand high-quality, dyno-proven solutions for their vehicles. The company continues to grow and expand into new market segments and regions of the world, always holding steadfast to the vision of its founder and pushing the boundaries of innovation to transform the look and performance of vehicles.