German exhaust specialist Eisenmann has released information that they will official release a sport exhaust system for BMW 1-Series M Coupe at the IAA 2011.
A comparison measurement with the original exhaust system demonstrated a performance increase by 10hp (7kW). The entire exhaust system, consisting of a middle silencer and rear muffler, is made of high-quality stainless steel.
The exhaust system’s world premiere will be celebrated at the IAA (International Motor Show) in Frankfurt, Germany, from September 15th to 25th, 2011. However, the complete system is immediately available. The middle silencer is available from Eisenmann with EC approval for € 535.50, including VAT, as well as the rear muffler with four tailpipes in a diameter of 83 millimetres for € 1,309.