The Milltek Filter-Back exhaust system is ideal for those who want to enhance the sound and appearance of their vehicle. It allows drivers to choose their preferred sound level and achieve a more aggressive exhaust tone. All components are made from 304L Aircraft Grade stainless steel, providing high strength and durability even under harsh operating conditions. Specifications - Pipe diameter (inches): 3.15 - EC-Approved: No - Feature 1: Re-Uses OE Black Trim Finishers