Our stainless steel turbo elbow replaces the restrictive cast iron standard item. By using a smoother, more free flowing design it allows exhaust gasses to exit the turbo faster, improving spool up time and reducing turbo lag as a result.Features:manufactured from t304 stainless steeltig welded, internal welds are polishedincludes lambda boss for oem lambda sensorcompatible with standard downpipe or aftermarket 3 itemgaskets and bolts included Brand: Japspeed