Your shark will appreciate an aftermarket exhaust system. Our E63 exhaust systems are designed to deliver ultimate performance, sound, and sytling to your BMW. Our E63 exhaust systems are made from the highest quality materials to give high quality and lasting performance. Our E63 exhaust are designed to be direct bolt units with great fitment and sound. We can locate any special exhaust your looking for. Look at our site for 645ci, 650ci, and M6 exhaust systems.