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sonnax pressure booster

  1. Sonnax 545RFE Line Pressure Booster

    Performance Mods - Engine - 5.7 Hemi V8
    Just wanted to throw this out there, But I got mine in and this thread will help people "searching" for answers to the Sonnax piece! I have had mine in for two days now, along with BlackRamHemi...bad @$$ black reg cab (please chime in) :) and we both are very happy with the shifting...
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