Harbormaster Posted January 9, 2020 Share Posted January 9, 2020 Has anyone installed the GR Research Upgrade kit for the RP-600M. Im thinking it might be an interesting project. 1 Quote Link to comment Share on other sites More sharing options...
NBPK402 Posted January 10, 2020 Share Posted January 10, 2020 You beat me to it... I was going 5o ask the same thing.Sent from my SM-G935V using Tapatalk Quote Link to comment Share on other sites More sharing options...
pzannucci Posted January 10, 2020 Share Posted January 10, 2020 12 hours ago, Harbormaster said: Has anyone installed the GR Research Upgrade kit for the RP-600M. Im thinking it might be an interesting project. Any pointer to the kit or specs on the crossover? Quote Link to comment Share on other sites More sharing options...
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