MINIMIZER FENDERS. Minimizer products are Tested and Tortured for the toughest people in the toughest industry. Minimizer is the aftermarket solution for the heavy truck industry, whether you are a driver, owner/operator, fleet manager or technician. We invented the poly fender, but did not stop there. Innovation is the name of our game. Over the last three decades, we have released custom molded floor mats, slick plates, work benches, tool caddies and our newest products. The Long Haul Series of heavy duty truck seats and mattresses. All of our products are available nationally thanks to our distribution system. You could be in Miami or Seattle. Does not matter. Thousands of distributors stock Minimizer across the US and Canada. We are also known for the off the charts testing we put our products through. At Minimizer, Tested and Tortured is more than just our brand, it is standard operating procedure. It is what allows us to offer the ONLY lifetime guarantee in the industry. With 30-plus years of experience and over a million units sold (most still in service today), Minimizer products are proven where it matters most on semi trucks and trailers just like yours.