- Includes 1 muffler; order 2 pieces for double exhaust setups. Designed for motorcycle exhaust silencing, replacement, or modifications. - Dimensions: 510 mm in length and 72 mm in diameter. Features manifold connections with variable inserts available in 45 mm, 43 mm, 40 mm, and 38 mm diameters. Can be mounted on either the right or left side with a rotatable holder. - Perfect for choppers, custom bikes, caferacers, retro conversions, and classic motorcycles. Universal end cup serves as an excellent replacement for damaged or unattractive rear silencers. - Produces a deep, rich sound due to effective sound dampening materials. The adjustable and perforated exhaust holder allows for versatile mounting on nearly any motorcycle. - Recommended use cases include upgrading your custom bike for enhanced aesthetics and sound, replacing defective silencers to restore performance, or modifying your motorcycle to achieve a unique style. - Ensure compatibility by checking dimensions and images before purchasing.