Our Performance Motorsport Parts Decat Delete Pipe is designed to remove restrictions from within your OEM exhaust system, allowing a more free-flowing design whilst creating a deeper exhaust note. Crafted from High Grade OEM style Stainless Steel, it is designed to last the lifetime of the vehicle. ---Manufactured from highest quality T304 grade stainless steel ---Mandrel bent and fully TIG welded for strength and durability ---2.5" Polished Catalyst replacement to get the most from the EJ20 engine ---Large bellmouth opening, designed to maximise exhaust flow ---Designed to improve power and torque across the entire RPM range Compatible with: ---Subaru Impreza all UK spec turbo incl. WRX, STi 2001-2005 models.