APR Audi S8 (D3) 5.2L FSI V10 ECU UpgradeEAPR52V10S8
Regular price $799.99
APR is pleased to present the ultimate ECU Upgrade for the Audi D# S8 5.2L FSI V10 engine. After months of long nights and many hours of testing, development and more testing, we are pleased to offer you an ECU recalibration that is second to none. APR's extensive research and development provides you with a powerful ECU Upgrade with no loss of drivability or reliability. Expect increases in low-end torque, improved throttle response and a smoother, more powerful top end. The Audi D3 S8 5.2L FSI V10 ECU Upgrade is an expertly recalibrated engine control strategy that remaps the timing and air fuel ratios to provide smooth and reliable power as if intended by the OEM. APR's ECU Upgrade is developed to work within the OEM and Tier 1 Supplier specifications for engine component stress tolerances and performance specifications. APR's ECU Upgrades are available in octane specific versions to allow you to take full advantage of the fuel quality available in your area. APR's patented EMCS functionality puts the control of the engine's operation at your finger tips and allows for additional features and options to be installed to your OEM ECU. Stage I ECU Upgrade Not only does our Stage I ECU Upgrade give you higher peak numbers of 471 horsepower and 427lb-ft. of torque, but also gains of up to 26 horsepower are available in the mid range! APR's ECU Upgrade is the best power per dollar modification for the Audi D3 S8 5.2L FSI V10 and gives it just the extra edge these cars lack from the factory without pushing the limits. With factory like smoothness and drivability APR's ECU Upgrade will fill the void in an otherwise excellent car.