can someone help me on a ported box under the back seat of an 03 silverado ext cab for 2 obsidian 15s 55x20x10 @32hz im want a good spl output and its for daily use, they'll be off a sundown sax 1200d
under the back seat how far up are you raising itcan someone help me on a ported box under the back seat of an 03 silverado ext cab for 2 obsidian 15s 55x20x10 @32hz im want a good spl output and its for daily use, they'll be off a sundown sax 1200d