Flow and Performance: Smooth transitions in the mandrel-bent aluminum tubing decrease turbulence and minimize pressure loss, increasing horsepower and torque.Perfect Fit: This tube kit features a CNC machined turbo adapter flange, stainless-steel T-bolt clamps, and heavy-duty 5-ply polyester reinforced silicone couplings for superior strength and durability.Custom Appearance: It's 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.