UPD Fixed Supercharger Pulley Upgrade 64mm - M112K
Upgrade your AMG M113K with the lightweight billet UPD 64mm pulley for massive 40-45+ RWHP gains and aggressive performance.
ECU Tune is required.
UPD High Flow Cold Air Induction Kit - M278
Unlock hidden M157 power with the UPD Cold Air Induction Kit - OEM style fitment with dyno-proven gains of up to 25WHP!