The exhaust system uses the first part of the stock header-pipes and is a 2 in 1 in 2 with diametres 52-63-52. The Magnum Series’ mufflers are available in round carbon fiber or titanium, with differenciated diametres. The mufflers also have the new 2016 Magnum Series’ thermo-injected magnesium end-cap, and GAS-EXTRACTOR system. The horsepower gain is about 5/7 hp all over the range. The exhaust system is EURO4 homologated, with catalyst converters and db killer. QD recommends the using of the RexXer mapping system, for a perfect fuelling adjusting.

  • EURO4 HOMOLOGATION
  • ELECTRONIC VALVE SIMULATOR
  • 30 MONTH WARRANTY BY ACTIVATING THE SERVICE CARD