G Reddy Surge Tank / Intake Plenum For Nissan 200SX S14, S14A & Silvia S15 with SR20DET Black Top engine Maximises air supply to the engine Ideal for use with an aftermarket turbo Large volume collector tank with tuned runners Compatible with OE throttle body Made in Japan G Reddy part no. : 13522317G Reddy Surge Tank for Nissan S14 & S15 Specifications Manufactured to make the most of the SR20DET engine in the Nissan 200SX S14, S14A and Silvia S15 ("Black Top" engine), this high-volume, high-flow G Reddy cast aluminium plenum is ideal for use with aftermarket turbochargers. Its design allows airflow to enter each cylinder undisturbed and evenly for improved engine performance. Key Features To fit SR20DET engine Tank capacity : approximately 1.6 times the OE ratio (+60%)Compatible with the factory throttle body Please note : as the mounting position is different from stock, some intake pipping modifications may be required.