Smooth transitions in the mandrel-bent aluminum pipes decrease turbulence and minimize pressure loss, increasing horsepower and torque. This kit includes high-quality, stainless-steel, spring-loaded T-bolt clamps and a heavy-duty, 5-ply, polyester reinforced silicone coupling. This charge pipe kit also features factory style a billet aluminum quick-connect adaptor with an o-ring seal to ensure a leak-free fit while maintaining superior strength and durability. Finished in wrinkle black powder coating with a unique laser-etched aFe POWER logo for a custom look. When it comes to engineering for power, performance, protection and value, aFe POWER is the only choice.