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Bloody Mary Audi S4 Launch Start // Armytrix Valvetronic Exhaust System
This “Bloody Mary” Audi S4 reveals a future of awesome driving experience accompany by the sweetest exhaust note. ARMYTRIX’s stainless steel system provides the best weight loss plan for a vehicle; what the S4 lost in weight, it gain in performance, substantial improvement to horsepower and torque make the ride even more enjoyable. The sound upgrade marks the new era for the S4; 119dB when you attack the road and 98dB when you just want to cruise. The gritty and full F1 sound, never before heard, on an Audi will have spectators astounded and baffled, wondering what you really got under the hood.
Valves opened (Race mode): Improved low level tone, amplified mid-range note, increased high pitch acoustics, sharper, crisper, sound across the rev range, noticeable Bhp gain typically, low/mid-range torque increase, sharper throttle response, performance efficiency, vastly freer flowing than OEM
Valve closed (Street mode): Keeping it low profile without getting attentions from the police and disturbing your neighbors, perfect for someone who doesn't want to be loud all the time,
Valve auto adjustment (Auto mode): Auto modulate back pressure levels, maintain backpressure at low rpm when launch-start without losing power
01-07-2015, 12:27 AM
