Includes a resonator to reduce offensive exhaust tones and a plate for the exhaust valve to eliminate CEL on the dash (where applicable). Made of stainless steel AISI 304, TIG-welded. Rig-tested and manufactured. Can be fitted with the stock exhaust and Leo Vince slip-on. When fitting this exhaust system it is advisable to optimize the carburetion by remapping the stock ECU unit or adopting an additional ECU unit.