034 Cast Stainless Steel Racing Catalyst, B9/B9.5 Audi A4/A5 & Allroad 2.0 TFSI

  
Used for 15k miles, core has some separation but 034 says it's normal and I've compared to two other people's 034 HFC, they all look like this. Includes 3x m8 studs and 3x m8 locknuts. 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 (200 CPI). 304 Stainless Steel Construction with Integrated Inlet/Outlet Flanges & O2 Sensor Bung. Precision CNC-Machined Flange Mating Surfaces. TIG Welded & Backpurged with Sand-Blasted Titanium-Look Finish.