It is an analog supersprint collector with engineering modifications / upgrades from the company BmwDoctor: engineering improvement - monolithic execution pipes and improved compatibility with standard exhaust system. Purpose: -an alternative to the removal of catalysts -power increase (+10% HP) -reduced backpressure issue -reducing the weight of DVS (- 5kg) -nice sporty sound
the headers are manufactured using the leading technologies of the industry of the best stainless steel AISI 304S tubes 1.5 mm thick