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lost of torque

  1. SMG_07

    Monaro V6 N/A lost of torque

    hay guys!! i have a bit of a pickle here! i have a monaro coupe with an ecotec v6 3.8 naturally aspirated (no mods! factory engine!:bomb:) anyway.. i installed a long 2.5 extractors .. on the standard exhaust ... and i seem to lost power!!!:undead: .. well torque mostly ... with the...