Armytrix High Performance Down Pipes Spark Plugs The R400S muffler was designed

The R400S muffler was designed using years of experience from Invidia's engineers to allow the perfect balance between unrestricted exhaust gas flow and sound dampening

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For those currently using the 20-0772

Audi - TT 2015+ (8S / MK3) 2

Armytrix High Performance Down Pipes Spark Plugs The R400S muffler was designedEnhance your vehicle by adding the ARMYTRIX exhaust system to 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.