Will swapping oem rcu to mach rcu automatically improve sound quality? If so, are they simply plug n play? What about oem tweeters to mach tweeters? Any different? Thanks in advance!
^ Thanks, guys. My 98 sable has the oem rcu and tweeters. I also have a 98 taurus parts car with the mach pkg. Was just wondering if the swap would be worthwhile.
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