---Manufactured from highest quality T304 grade stainless steel ---Mandrel bent and fully TIG welded for strength and durability ---Free flowing replacement to get the most power from the engine ---Designed to improve power and torque across the entire RPM range ---Sold for off-road / track use only ---may require GPF bypass software on the vehicle ECU Fitment ---Mercedes-Benz W177 A35 AMG 2.0 Turbo 2018 – Present.