Eisenmann Mercedes Benz E210 E55 AMG Exhaust - Race Level - 2x100x65mm (Flat Oval) tips - FREE SHIPPING. note: Eisenmann exhausts are hand-made in Germany and typically take as long as 4-6 weeks from the date of your order to arrive at your door, although they may take significantly longer. All Eisenmann orders are special order, non-refundable, non-returnable. The Eisenmann product is our most popular exhaust for Mercedes Benz, and Eisenmann is the OEM manufacturer for Porsche, so you can rest assured that the quality of your exhaust is OEM! Here's what two of our recent customers had to say about their Eisenmann exhaust purchases for their Mercedes-Bens - "Received on time Monday. Installed this morning. It is amazing! Worth every penny." - Frank P. - "I just wanted to say the exhaust sounds amazing on my clk430. At idle it has only a hint of volume over stock but when you put your foot in it heads begin to turn and the grin begins to form. I noticed almost no droning,a crisp and unique sound that urges me to drive the car more often. I would definately do business with you again. Thx for everything..Sincerely Brian L."