420 HP Stage 1 Software EVO Smooth Power | Audi S4/S5/SQ5 sub_carbon_fiber Weather-Resistant ConstructionUV-resistant polycarbonate lenses and

Weather-Resistant ConstructionUV-resistant polycarbonate lenses and sealed housings protect against moisture

Vacuum-consolidated laminate

and more aggressive front-end appearance

you can instantly switch performance profiles to match your fuel—no tools

420 HP Stage 1 Software EVO Smooth Power | Audi S4/S5/SQ5 sub_carbon_fiber Weather-Resistant ConstructionUV-resistant polycarbonate lenses and93 Octane Calculated Flywheel Power: OEM Stock: 357HP 400TQ Tuned: 410HP 450TQ Measured Wheel Power: OEM Stock: 293WHP 328WTQ Tuned: 336WHP 369WTQ 100 Octane Calculated Flywheel Power: Tuned: 420HP 457TQ Measured Wheel Power: Tuned: 344WHP 375WTQ This can only be installed at an authorized CarBahn dealer! Top speed governor removed. CarBahn EVO Intelligent software adapts to various fuel octane levels seamlessly, optimizing performance without