GT Turbo outlet O2 Housing for Mitsubishi Lancer Evolution EVO 4/5/6

High flow full O2 housing,Works fantastically well with large stock location turbos with large turbine wheels. This eliminates one of the biggest bottlenecks in the exhaust system. Also, 02 bung is strategically located away from the direct exit of the turbine wheel to avoid additional restriction and turbulence. Material: SUS Design: Stock location Flex Bellow: N/A Finish: Polished Pipe Collector diameter (mm): 69 Flange style inlet: 5 bolt Flange style outlet: 2 bolt O2 sensor bung: Default Compatibilities: Mitsubishi Evolution 4/5/6 What is in the box: GT O2 housing turbo outlet elbow, Gasket, Promotional