For a permanent sync fix, use Subtitle Edit . It allows you to visually align subtitles with the audio waveform and save a new, corrected .srt file.
If the subtitles you download are slightly ahead or behind the audio, you can sync them in real-time: subtitle Splinter.2008.DvDRip.AC3 5.1-FxM and d...
Look for subtitle files specifically labeled with the "FxM" or "DvDRip" tag to ensure they match your version's frame rate and length. For a permanent sync fix, use Subtitle Edit