Alpha Competition - De-Cat Downpipes Audi RS4 B9 / RS5 F5

These stainless steel made Alpha Competition downpipes, in 4.5" / 114.3mm > 3" / 76mm diameter, fit without modification between the turbos and the front pipes of the 2.9 TFSI engines fitted to the Audi RS4 B9 / RS5 F5 in order to remove the catalysts. Manufactured from high quality T304 stainless steel with handmade TIG welds, these downpipes will bring an average gain of 34hp on a stage 1 engine and a particularly aggressive sound. Available for vehicles equipped with or without particulate filters (OPF/GPF), these downpipes feature a high-flow design and specific thermal insulation that reduces heat radiation by up to 50%, clearly making them one of the best value-for-money options on the market!

Direct mounting

2-piece kit

100% T304 stainless steel

4.5" / 114.3mm > 3" / 76mm pipes

Specific thermal insulation

Measured gain on stage 1 : 34hp

Versions for car equipped with or without OPF

Aggressive sound

Handmade TIG welds

Assembly kit included

Lifetime warranty

Fits:

Audi RS4 2.9 TFSI B9/B9.5 450cv (2017 - 2024)

Audi RS5 2.9 TFSI F5 450cv (2017 - 2024)