smaw420 Posted February 3, 2015 Report Share Posted February 3, 2015 I'm wanting to build a t-line box, its for my friends 07 Silverado between the driver and passenger seat. I wanna build it from 1.5 to 1.8^ only problem im having is figuring out how much port length (minimum,max) or if a tlines a good idea any help would be greatly appreciate. I'm still learning so give me a break Link to comment Share on other sites More sharing options...
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