Smooth transitions in the mandrel-bent aluminum pipe decrease turbulence and minimize pressure loss, increasing horsepower and torque. This kit includes high-quality, stainless-steel, spring-loaded T-bolt clamps and heavy-duty, 5-ply, polyester reinforced silicone couplings for superior strength and durability. Finished in wrinkle black powder coating with a unique laser-etched aFe POWER logo for a custom look. BladeRunner 2 IN to 2-1/2 IN Aluminum Hot Charge Pipe Black Ford F-150 21-23 V6-2.7L (tt) Ford F-150 21-23 V6-2.7L (tt)