AWE Tuning 18-21 Audi B9 S4 Touring Edition Exhaust - Non-Resonated (Silver 90mm Tips) Meet the perfected B9 S4 soundtrack. Max gains of 16 hp and 17 ft-lbs of torque at the crank (exhaust) Available as sophisticated Touring Edition, unleashed Track Edition, and valved SwitchPath™ Touring Edition Exhausts features AWE’s proprietary drone-canceling solution, 180 Technology® SwitchPath™ Exhaust can be controlled with an optional handheld remote, or factory valve programming Downpipes and precision-engineered x-pipe included in all editions Compatible with standard and sport differentials 90mm or 102mm double-walled tips available in chrome silver or diamond black Proudly engineered, designed, and manufactured in-house at AWE, in the USA Less is more: clean, straight-through design maximizes performance Handcrafted from dual 2.5” CNC mandrel-bent U.S.-sourced .065” wall T304L stainless steel Direct bolt-on system, factory-like install simplicity Perfect fitment - guaranteed No Check Engine Light - guaranteed Featuring the AWE Lifetime Exhaust Warranty Touring Edition Exhaust The best just got better. Signature AWE howl, delivered. The Touring Edition is the sophisticated member of the B9 S4 exhaust family. The Touring Edition Exhaust removes the factory valving and replaces it with AWE’s 180 Technology® drone-cancelling resonators (and electronic valve simulators). This solution provides for a perfect, signature AWE experience: civil within the cabin while cruising, yet all the pops and burbles during acceleration and downshifts. The Touring Edition Exhaust comes complete with 180 Technology® resonators, a precision-engineered x-pipe, resonated downpipes, and your choice of 90 or 102mm tips in either diamond black or chrome silver. Sound Perfection: AWE 180 Technology® Perfect tone, compliments of AWE 180 Technology® . As exhaust gases exit the 3.0T engine and flow into an AWE 180 Technology® equipped resonator, they pass through strategically located ports, and into reflection chambers. Sound waves, carried by these exhaust gasses, bounce off the walls of the reflection chambers. By controlling the size and location of the ports and the chambers, we also control when the sound waves exit the chambers. The specific timing of when the reflected sound waves rejoin the main exhaust flow creates a one-hundred-and-eighty-degree out-of-phase sound wave that cancels out problematic frequencies. Cool, right? Tip Options All tip options include the AWE logo, and double walling to ensure a mirror finish even under hard usage. All tips are individually adjustable, allowing depth into the bumper to be set according to personal taste. 102mm or 90mm diamond black tips 102mm or 90mm chrome silver tips What’s in the box? Complete SwitchPath™, Touring or Track Edition Edition Exhaust, four double-walled tips is chosen color and size, resonated or non-resonated downpipes, installation instructions, and required hardware.
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