MillTek Audi RS4 Sport Cat (2019-2021) Suspension Direct bolt-on replacement for the

Direct bolt-on replacement for the restrictive factory mufflers

Increases throttle response and dramatically improves sports car sound

993 TT "S"

Helical Valves are the proven choice by many OEM manufacturers such as Porsche

Mandrel bending ensures full flow bends for better gas flow and Milltek systems are increased in bore to ensure ultimate performance without the loss of mid-range torque

MillTek Audi RS4 Sport Cat (2019-2021) Suspension Direct bolt-on replacement for theOur range of Cast Downpipes offer further enhancements to gas flow and heat management, specifically designed to increase efficiency and performance gains. The HJS High Flow Sport Catalyst is the highest quality and best performing aftermarket Catalyst. The quality of the product is made to reduce the density of OEM Catalysts and be able to maintain emission regulations with daily usage. Standard OEM Catalysts are usually 500 600 cells, our high flow