Quote Originally Posted by Redlinez View Post
We couldn't tell much if any difference electronically setting the rear preload to 3 versus 0. Definitely upgrading all 4 speakers.
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I would set the rear preload to 10 or 15 two up 20 on twisty roads.Last time I was in your area I wen to the NASCAR hall of fame and Richaed Childress's Winery good luck with you new wing.

Ed..