* Made of High Quality T-304 Stainless Steel with Computerized Mandrel-Bends i.e. Maximizing Smoothest Exhaust Airflow * TIG welded CNC Machine Flange for Strength and Durability * High Performance 1-Piece Racing Spce Design * Increase Engine Output and Efficiency. Gain 10 - 15 HPs (approximately)* High Performance 1-Piece Racing Spec Design * 3 Piping Diameter to increase air flow * O2 Sensor Bung Insertion; Metal Gasket(s) Included* 1989-1998 Nissan 240sx with SR Turbo Engine swap