Upgrade your BMW M3/M4 S58 G80/G82 with the MAD Single Midpipe Titanium, designed to deliver superior sound and performance by eliminating unnecessary restrictions. Key Features: Resonator and Secondary Catalytic Converter Delete: The MAD Single Midpipe removes the two resonators and two secondary catalytic converters found in the stock midpipe. The primary catalytic converters in the downpipe remain untouched, ensuring no check engine light (CEL) issues. Optimized Sound Quality: The stock midpipe utilizes dual pipes along with catalytic converters and resonators to keep the rasp down. While effective in reducing rasp, this setup heavily muffles the car's natural sound. By switching to a single midpipe design, we eliminate these restrictions, allowing for a cleaner, deeper tone. This design ensures a more aggressive sound, especially at mid to high RPMs, without the unwanted rasp or drone. Single Pipe Design: The MAD Single Midpipe enhances exhaust flow and produces the cleanest possible sound. Enjoy a deep midrange tone and an aggressive high RPM sound that stands out without any high-pitch rasp. Lightweight Titanium Construction: Crafted from high-quality titanium, this midpipe offers significant weight savings compared to the stock midpipe, contributing to improved vehicle performance and handling. Enhance your BMW M3/M4's exhaust note and overall driving experience with the MAD Single Midpipe Titanium. Enjoy a perfect blend of deep, aggressive sound and improved performance without any compromises.