Spring is the perfect time to reclaim your vehicle from the ravages of winter and to prepare for some carefree summer road trips. One of the first places to start is with your vehicle’s filters.

Air filters are one of the easiest and quickest components to swap out for an aftermarket part, and plenty of companies claim their design will increase horsepower, torque, and improve acceleration.

K&N Engineering has expanded its Performance Diesel lineup with new NextGen Air Intake Systems and Dryflow replacement air filters for late-model Ford, GM, and Ram diesel pickups. For Off-Road.com ...