Audi TTS (Mk3) 2.0 TFSI Turbo Back Performance Exhaust a4b9 AEMnet allows additional X-Series Wideband

AEMnet allows additional X-Series Wideband Controllers to be daisy chained together (up to 16 cylinders) for recording AFR in multiple cylinders

This high-quality

Removing the rotating mass of the OE balance shaft frees up a few extra horsepower but more importantly

this robotic TIG-welded component has been specifically designed for use with Garret turbochargers

Audi TTS (Mk3) 2.0 TFSI Turbo Back Performance Exhaust a4b9 AEMnet allows additional X-Series WidebandFits Coupe model only. Cobra Sport performance exhausts enhance the sound, looks and quality of your vehicle giving you the ultimate driving experience. Our sports exhausts range is fully guaranteed to give you assurance of our quality. This Audi TTS (Mk3) performance exhaust is made in 3" 76. 2mm pipework and fit from the turbo backwards (turbo back system), these parts replace the front pipe, centre and rear sections. The sports cat exhaust option