Use this exhaust system when you're driving your 2008 Volkswagen R32 on the street or on the track to make a statement. It's perfect for car enthusiasts who want to enhance the performance and style of their vehicle. The main piping has a 2.5 - inch diameter and the tips are 4 inches in size. It's made of durable, corrosion - resistant stainless steel, so you don't have to worry about it wearing out quickly. Installation is easy, even if you're a DIYer.