Future project planning questions! 4 hdc3 18

[dillan_ 10+ year member]

Alright so I'm thinking about buying my parents 2000 4runner but I have a major dilemma.. I will (in the coming months) be getting three more hdc3 18 which will put me at 4.. I just want to know what the smallest total cubic feet I could have for a box (not a wall, a subwoofer firing upwards and port firing backwards box). Because if these don't fit, I'm gonna buy a bigger suv. I don't need box plans per say just general information like how close to the roof is too close and also how close to the rear hatch is too close for the square port that I plan to have rear firing.. Thanks for any help!

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[dillan_ 10+ year member]

Oh also I want to be doing hair tricks as well so I want the tune to be lower at least like 35-38 hz minimum

 

[RangerDangerV2 5,000+ posts]

I seriously doubt that you know enough to go all out with 4 18s just yet.... take it a little slower.

 

[dillan_ 10+ year member]

Well I know that ill need multiple alternators and at least four batteries in the back. And two aq 3500.1s. 1/0 gauge power and ground wire and the big 3 upgrade and sound deadener out the a$$. And anything Im not quite sure about I can ask my local audio shop, a fourm like this or my electrician/carpenter father.

thanks for your concerns though.

 

[VisceralSound 10+ year member]

Like 3-4 runs of 1/0, doubled mdf all over, kind of a crazy first time build, if you do do this find a person with experience in this so you dont waste the 1.5+grand youll be dropping for it to bd good.

 

[RangerDangerV2 5,000+ posts]

you need to find a very good box builder... or everything will be a waste, and I am sure that your car audio shop knows about as much as you...

 

[VisceralSound 10+ year member]

you need to find a very good box builder... or everything will be a waste, and I am sure that your car audio shop knows about as much as you...

Lol, this too

 

[dillan_ 10+ year member]

Yeah its gonna be a big ordeal when the time does come. But the post was more directed towards the question of will four of those things fit? That being said I might even start with two and then go to four. But as long as four of these will fit then I know this is the vehicle that I will use for my project.. ya know? Im highly considering going all out seeing as how that would save me money in the long run on only making one box instead of two.. but we'll see how that turns out.. but I have been facinated by these 18 inch woofers ever sence I stumbled upon exo and steve meade on youtube and ordered my first one recently its what im running in my f150 now and I love it. But it wont pull a hair trick and that's a problem haha