More enthusiastic sound, the High-End Performance Exhaust System HPX of KUNSTWERK is manufactured to U.S. specifications.The HPX is applied with an electronic variable controller and has been developed exclusively for the M440i after countless hours of research to provide the most unique exhaust sound.
The exhaust system of KUNSTWERK is made by hand and crafted with the same care as craftsmen who have specialized in the manufacture of exhaust systems for many years, the highest grade quality is used to enhance the durability and longevity of the exhaust system. It boasts high-end quality using 304 Stainless and High grade Titanium.
The best performance to match the best sound is also prepared. It is designed to maximize the performance of the entire exhaust system line.
The classic and original style high-gloss finish and delicate welding create a work of art for your exhaust system with stunning quality.