SKU# 14439 | MPN: M2-SUB01-FP25LM2 Motorsport – Subaru Impreza New Age Decat Pipe removes the catalytic converter and replaces the pipe with a high flow stainless steel 2.5″ bore item.Features: Manufactured from T304 stainless steel 2.5″ boreTIG welded CNC machined flanges Compatible with standard or aftermarket back box.Suitable for; 2001 – 2005 Impreza WRX and WRX STI Version 7/8/9, 2.0L Saloon and Wagons. Will NOT fit Version 10 or later models.