Not homologated. Without catalytic converters. Precision-machined slip-on exhaust silencer set made of stainless steel with a diameter of 80 mm. Although the silencers are not homologated, they are supplied with a removable homologated dB killer (708849). A racing dB killer (708859) is available as an option. Chrome-plated finish. 80 mm diameter. With CNC-machined Ergal end caps (7075 aluminum) in a slash cut design. With removable dB killer. Note: See 708849 for the standard replacement dB killer or 708859 for the optional racing dB killer.