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The AWE Touring Edition exhaust for Audi B9 S4 tunes the exhaust note to be refined in the cabin yet engaging under acceleration, using AWE's 180 Technology and electronic valve simulation. Handcrafted from dual 2.5" CNC mandrel-bent T304L stainless, the system includes 102mm chrome silver double-walled tips, precision x-pipe and post-catalyst downpipes where applicable. It is dyno-proven to add notable crank power while maintaining emissions compatibility.
AWE Tuning Audi B9 S4 Touring Edition Exhaust - Non-Resonated (Silver 102mm Tips)
