Black Mamba Mercedes A45 AMG W177 Decat Downpipe

This stainless steel made Alpha Competition, downpipe, in 3.5" / 89mm diameter, fits without modification between the turbo and the front pipe of the M139 engines fitted to the Mercedes A45 / A45S / CLA45 AMG W177 / C118 in order to remove the main catalyst. Manufactured from high quality T304 stainless steel with handmade TIG welds, this downpipe will bring an average gain of 28hp on a stage 1 engine and a particularly aggressive sound. With a high flow structure and thermal insulation to reduce heat radiation by 50%, this downpipe clearly represents the best value for money on the market! - Direct mounting 100% T304 stainless steel 3.5" / 89mm pipework Specific thermal insulation Measured gain on stage 1: 28hp Aggressive sound Handmade TIG welds Assembly kit included Lifetime warranty - ECU calibration is mandatory -