A turbocharger comprising: a turbine wheel portion to receive exhaust gas from an internal combustion engine; a turbocharger shaft coupled to and rotatable by said turbine wheel portion, said turbocharger shaft extending along a longitudinal axis A; and a compressor wheel portion coupled to and rotatable by said turbocharger shaft, said compressor wheel portion comprising: a symmetrical leading edge region facing an airflow; and an imbalance correction region disposed longitudinally inboard from said symmetrical leading edge region and extending radially inward to correct an imbalance of said turbocharger shaft and to reduce aero-acoustic noises, wherein said compressor wheel portion comprises a compressor wheel disposed about and coupled to said turbocharger shaft, wherein said compressor wheel portion includes a compressor nut coupled to said turbocharger shaft adjacent said compressor wheel, characterized in that said compressor nut includes a balance portion disposed about said turbocharger shaft adjacent said compressor wheel and a fastener portion disposed about and coupled to said turbocharger shaft adjacent said balance portion such that said balance portion is disposed between said fastener portion and said compressor wheel, the fastener portion disposed to fasten said compressor wheel to said turbocharger shaft, and said imbalance correction region is defined as one of a planar shape and an arcuate shape extending across said balance portion or said imbalance correction region extends radially into said balance portion. a turbine wheel portion to receive exhaust gas from an internal combustion engine; a turbocharger shaft coupled to and rotatable by said turbine wheel portion, said turbocharger shaft extending along a longitudinal axis A; and a compressor wheel portion coupled to and rotatable by said turbocharger shaft, said compressor wheel portion comprising: a symmetrical leading edge region facing an airflow; and an imbalance correction region disposed longitudinally inboard from said symmetrical leading edge region and extending radially inward to correct an imbalance of said turbocharger shaft and to reduce aero-acoustic noises, wherein said compressor wheel portion comprises a compressor wheel disposed about and coupled to said turbocharger shaft, wherein said compressor wheel portion includes a compressor nut coupled to said turbocharger shaft adjacent said compressor wheel, characterized in that said compressor nut includes a balance portion disposed about said turbocharger shaft adjacent said compressor wheel and a fastener portion disposed about and coupled to said turbocharger shaft adjacent said balance portion such that said balance portion is disposed between said fastener portion and said compressor wheel, the fastener portion disposed to fasten said compressor wheel to said turbocharger shaft, and said imbalance correction region is defined as one of a planar shape and an arcuate shape extending across said balance portion or said imbalance correction region extends radially into said balance portion. a symmetrical leading edge region facing an airflow; and an imbalance correction region disposed longitudinally inboard from said symmetrical leading edge region and extending radially inward to correct an imbalance of said turbocharger shaft and to reduce aero-acoustic noises, wherein said compressor wheel portion comprises a compressor wheel disposed about and coupled to said turbocharger shaft, wherein said compressor wheel portion includes a compressor nut coupled to said turbocharger shaft adjacent said compressor wheel, characterized in that said compressor nut includes a balance portion disposed about said turbocharger shaft adjacent said compressor wheel and a fastener portion disposed about and coupled to said turbocharger shaft adjacent said balance portion such that said balance portion is disposed between said fastener portion and said compressor wheel, the fastener portion disposed to fasten said compressor wheel to said turbocharger shaft, and said imbalance correction region is defined as one of a planar shape and an arcuate shape extending across said balance portion or said imbalance correction region extends radially into said balance portion.