S&B Filters, in our opinion, manufacturers the best air filters and cold air intake kits on the market. To achieve this, S&B Filters implements thorough research and development, precise designs, strict manufacturing processes using ISO 5011 standards, and rigorous quality testing for every product they bring to the truck market. Almost every single thing S&B makes is built right here in the USA. S&B's full line of cold air intakes, air filters, replacement filters, air intake elbows, filter covers, and cleaning kits are of the highest quality and the only products we will run on our personal trucks. Performance Truck Products is one of S&B's oldest authorized truck dealers and we take pride in getting you their products faster than anyone else.