fly_marlin
CarAudio.com Elite
So budget for all this? Btw you're losing some output by tuning so low. You can pair the IA20.1 with the HDC415, though some people even prefer to stick with 315. You'll definitely want to tune a bit higher for that woofer and additional output. You should be able to slap a 4kW amp on the 415 easily. If you're not on a budget, go for DD9915 and call it a day.I'm betting him that on the same song every person at work will think mine is louder. His box is a sealed blowthrough in a Silverado. No room for 1 18 and I prefer the simplicity and look of 1 15 over 2 12s.