The Titan is a stainless steel system built to withstand extreme temperatures, increase torque and horse power, add durability and improve the overall exhaust tone. This is the system you‚ ve been searching for. This is the Titan. 5" Stainless Steel: Virtually the entire exhaust system is built from 304 Stainless Steel. It doesn't readily corrode, rust or stain and it can reliably withstand the extreme temperatures generated from high performance offroad vehicles. The Quiet QS: The sound from the Titan is a deep and aggressive, adding depth to the machine's sound. This relieves some of the high pitch sounds created from the stock system. The Titan-QS features a mechanical core design that produces incredible horse power while keeping the sound levels to a minimum. Double Exhaust: These exhaust shells are big, and so is the performance they create. The 5" inch diameter exhaust shells house an internal exhaust core that creates maximum airflow. When stacked into a dual system, it creates even more power and performance while improving sound.