Featuring a hand-Tig-weld 304 stainless steel outer construction and a double-wall exhaust tip, the latest version of GReddy Supreme SP exhaust offers superior performance and sound. Its straight-through and directed-straight-through chambered muffler design allows for increased exhaust flow and a refined exhaust note. Classically styled to match a vehicle's body-lines and styling, the Supreme SP delivers excellent fitment, outstanding street performance, and a stylish exhaust system.