ARMYTRIX Stainless Steel Valvetronic Catback Exhaust System Quad Blue Coated Tips Audi A4 2.0L TFSI B9 / B9.5 4WD 17+Enhance your Audi A4 by adding the Armytrix Super Sport Stainless Steel Exhaust System. This system will increase power, reduce weight, and improve sound. This precision made performance system delivers more power, especially in the low and mid rev range, the effect on the sound is significant, adding a deep resonant sporty sound, but at the same time neutralizes the annoying frequencies in the most critical rpm range. Complete the look with a set of

Unitronic 4 inch Intake System for 2

The decision is yours:

Borg Warner has stipulated that KKK turbochargers (or turbocharger kits) must be installed by a professional repair facility

Using the latest in Computational Fluid Dynamics (CFD) software

Front spring rate - 300 lbs

Valvetronic Tail Pipe Section

0T FSI with the 6-speed transmission

Complete Antenna kit to replace wiring

625 ml/min) For Applications up to 1

Integrated X-pipe and true balance pipe

The 4 puck is a good compromise for both

IE forged 1