Nissan Silvia S13 S14 S15 with SR20DET engines.
Made of 304 Stainless Steel.
The pipe outside is 3''.
Stock Turbo, Stock Replacement Turbo,Direct bolt-on application.
The dump pipe will help to scavenge turbo exhaust gasses and help produce faster boost,
More boost and more torque by reducing obstructions in the standard dump pipe.
Professional installation recommended (no instruction provided).