starkey814 Posted March 3, 2017 Report Posted March 3, 2017 Just ordered 2 P2D4-8's to run in my wife's truck under the back seat. Truck is a 2010 Silverado Ext cab. The question I have is.....what type of tuning and port area? RF recommends 2" port that is 8.8" long.... Any advise would be greatly appreciated.
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