4" Turbo back | Stainless steel | Single Exhaust | Mandrel bent tubing | Increased horse power | Lower EGT's | Direct bolt on system | Install's in less than two hours Diamond Eye Performance exhaust is a top quality, "Made in America" exhaust system, that is built to fit the first time. Each system is Mandrel Bent, expertly welded and has a distinguished sound to meet any enthusiast's needs. *Photo is representative of a Diamond Eye Performance Exhaust system, and may not be actual product