Switzer’s exhaust design is a full cat-back replacement that features high-quality 304 stainless steel construction, a fine-wire finish on the canisters, and a durable black chrome finish on the staggered oval exhaust tips. More than just an aesthetic piece, the Switzer exhaust builds on BMW’s excellent M5 system with a slightly wider diameter, more efficient cross-pipe, and expanding larger-diameter tubing to improve airflow. Learn More