Armytrix Valvetronic Exhaust System for Audi A4 B9 2.0 TFSI Sedan/Avant (2WD) (2016-Present)

FitmentAudi A4 (B9)2016-Present2.0 TFSI 2WDSedan / AvantNon-OPF IncludesFront Pipe (AU942-F) + Mid Pipe (AU942-M1) + Y-Pipe (AU942-M2) + Valvetronic Mufflers (AU942-VML+AU942-VMR) + Wireless Remote Control Kits (OWRC)Features Main pipe diameter: 3″ Tips: Quad 3.5″ Exclusive System Features a Catalytic Converter & OPF Related Fault Code Clearing Mechanism – Reduces Chances of Check Engine Light Direct Bolt-On Plug-n-Play Module Reduces Installation Time by 30% Compared to Traditional Cable Wires App Controlled Valve System via OBDII Port Note The muffler with quad-tips is only compatible with S4 Style Quad diffuser on non-S-line rear bumper, or with S4 rear diffuser on S-line rear bumper. There are different versions of OE exhaust, utilize VIN to verify fitment prior to installation. Fit to both Left-Hand Drive/Right-Hand Drive cars Armytrix OBDII Control Module required