Replacement Tips for the Unitronic Cat-Back Exhaust System for the MK7.5 GTI equipped with the 2.0 TSI EA888 Gen 3 MQB engine features 3-inch T304 Stainless Steel mandrel bent tubing, high density, polished or black 4″ slash cut exhaust tips and high quality v-band fasteners with T316 Stainless Steel flanges. These attributes combined with extensive R&D testing, help ensure perfect fitment and maximum performance, while maintaining a comfortable and unobtrusive exhaust tone inside the cabin.