K&N 22-24 Toyota Tundra 3.4L V6 Turbo Charge Pipe KitK&N charge pipe kits are made of free flowing, mandrel bent aluminum tubes designed to replace the restrictive factory intercooler piping on specific turbo charged vehicles and offer a wide range of performance customization options. K&N charge pipes have been engineered to reduce turbo charged air pressure loss as well as dramatically increase air flow from the turbo through the intercooler. The charge pipes are constructed from lightweight aluminum