No. 2 steel racing silencers with removable db killer. Limited version. Original silencer weight : kg 4.4, zard steel exhaust weight: 4.2 kg. Black&silver machined from solid aluminium end-cap. Zard silencers can be fitted with original headers kit. The exhaust can be fitted on monopost motorbike version using the bracket available as optional. Hard increase, compared to the original exhaust system, in terms of torque and power at any range. Astonishing sound. Not homologated.(homologated version can be purchased on demand).