Made of SUS 304 Stainless with fully polished surface, CNC machined flanges and are mandrel bent. 25% lighter than OEM exhaust system. Improve up to 20 horse power with its straight-through design. Produce a sporty deep tone sound.Specially designed to reach the maximum performance, and have a perfect match on body styling. Direct bolt on. Include bolts, screws, gaskets and all hardware required for installation.