Through-center silencer made of 304SS stainless steel. Dimensions: total length: 370mm, can length: 300mm, outer diameter: 107mm, installation diameter: 57mm, The product does not have road approval. It is designed for use in motorsports, tuning exhibitions and others. Through center muffler made of 304SS stainless steel.Dimensions: total length: 370mm, can length: 300mm, outer diameter: 107mm, mounting diameter: 57mm,