2017 - 2020 Audi B9 A4/A5/Allroad Catless Downpipe / Test Pipe

3-4 WEEKS ETA Designed as a drop-in replacement for the restrictive factory catalytic converter, the Stainless Steel Racing Downpipe offers increased horsepower and torque throughout the powerband, reduced turbocharger lag, improved throttle response, and an enhanced exhaust note.This upgrade eliminates the primary flow limitation in the factory exhaust system, allowing you to maximize the potential of your turbocharged engine. Features: Increased Horsepower & Torque Throughout the Powerband (+ 22 HP / + 22 TQ Peak) Quicker Turbocharger Spool & Faster Transient Response (100-200 RPM Quicker Spool) Enhanced Exhaust Note & Turbocharger Sounds Direct, Bolt-In Upgrade for Factory Catalytic Converter Engineered In-House by 034Motorsport's Engineering Team Factory-Location 135mm Euro 3 Racing Catalytic Converter 304 Stainless Steel Construction with Integrated Inlet/Outlet Flanges & O2 Sensor Bung Precision CNC-Machined Flange Mating Surfaces TIG Welded & Backpurged wit