"A Euro 4 slip-on system for the Harley Davidson Street Bob 103cui for rich power and the unmistakable Harley V2 sound.The original exhaust manifolds remain. All necessary mounting hardware is included- Slip-on exhaust system- Made of polished stainless steel or black matte finish- With removable dB absorber- With EC type approval (Euro 4 EC-BE)- Including catalytic converter and mounting material"Note: The official CH certificate (DTC/FAKT) for Switzerland can be ordered separately with MCS# 719965 (extra charge).For ordering the certificate; please have the information from the Swiss vehicle license ready.