Downpipe designed for: AUDI TT RS, RS3 8P 2.5TFSIDownpipe by TurboWorks, made of 100% stainless steel. Inlet diameter: V-Band 3.5 "86 mm Outlet diameter: 62mm Outer diameter 60 mm The set also includes a heat shield on the downpipe. The double layer heat shield is used to protect the surrounding parts and hoses from heat radiation from the pipes. Integrated thermal insulation lowers the surface temperature even By 70%! Which makes it an absolute winner compared to conventional thermal tapes or ceramic coatings This is very important not only for safety reasons, but also affects the engine performance by lowering the temperature in the chamber Downpipe designed for: AUDI TT RS, RS3 8P 2.5TFSIDownpipe by TurboWorks, is made of 100% stainless steel. Inlet diameter: V-Band 3.5 "Outlet diameter: 60mm The set also includes a heat shield on the downpipe. A two-layer heat shield is used to protect surrounding parts and hoses from heat radiation from the pipes. Integrated thermal insulation lowers the surface temperature by up to 70%! Which makes it an absolute winner compared to regular thermal tapes or ceramic coatings. This is very important not only for safety reasons, but also affects the engine performance by lowering the temperature in the chamber.