Due to the current yen/dollar conversion rate and the closure of HKS USA, all HKS product have been subject to price changesETA to be in stock 3/11/2012Designed for both turbocharged and naturally aspirated applications, the HKS Drager Exhaust system was the first of its style to incorporate a seamless muffler shell. Each system is constructed with a high-luster polished, straight-through SUS304 Stainless Steel muffler assembly with an engraved, angle cut logo tip. The Super Drager systems that are designed for turbo applications utilize 130mm (5.12in ) diameter tip and up to 95mm (3.75in) diameter size piping. The Drager II series is the evolution of the original Super Drager mufflerEach system increases low-end torque, improves mid-range response and delivers high-end horsepower.The HKS Super Dragger is the quietest of the HKS exhaust system lineup and is well-known for its smooth and mellow exhuast note. Its classic design and exhaust sound make it a favorite of many in the Supra community.