250mm Long 'Whisper' Quiet Exhaust Baffle for 45mm Drag Pipes (Baffle Diameter 41mm) Closed end, steel exhaust baffle for metric Exhaust drag pipes Comes complete with noise reducing damping material and mounting hardware Please note baffles are sized based on the OUTER diameter of your exhaust pipe, baffle itself has a diameter of 41mm Sold individually (1) Available in 4 sizes for 45mm, 50mm, 55mm and 60mm exhausts