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Remote tuning available upon ECU compatibility verification
exhaust valve control
0L B48 engine with more torque
With the valves closed
Experience the pinnacle of automotive engineering with the Lamborghini LP700 West Racing T304 SS Exhaust System
AUDI S8 | 2012-2018 | Stage 1 bmw-x5m-2014-2018-esr2642796 Remote tuning available upon ECUThe Audi S8 (D4) hides twin turbo brutality behind an executive suitbut the stock ECU leaves performance on the table. WestTuneds Stage 1 ECU calibration unleashes the full power of the 4. 0L TFSI, delivering harder torque, faster throttle response, and relentless high speed pullwithout compromising refinement or OEM reliability. What Youll Feel: Massive torque gains and instant throttle reaction Sharper turbo response with improved high RPM punch
