The type r's don't need a custom box. I used to work in an audio shop and that is what I have in my truck. The 12's won't fit at all but the 10's will no problem. You can get a lot of sound and a lot of really good sound from our trucks. Here is some pics of my install


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Screen in the dash and the 2 amps behind the back seat and the cap


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that is a really nice setup. do you know where i can get a box to fit my 10? all the ones i see dont have enough mounting depth. also did you mount your amp on the back firewall?

 

The boxes we carried were r/t boxes. I made shimms so the woofers would have more clearance because they are a pretty good size woofer. I didn't mount mine on the back wall because I always seem to be changing something or treaking this or that. If you mount them on the back wall your gonna have screw holes and I worry about any holes in my cabin and once their there thats it unless you take the seat out. When we installed big stereoes we did mount them on the back wall. I'm also not too thrilled about it becuase if you have an amp go bad your pulling the seat out again too

 

cool so you think i could get the one on say ebay or something made for our trucks , and just shim it, and it should work?? if so then i'll probably do that.

 

I would definently give it a look. Personally you'd be a lot happier with two woofers than one but thats my opinion. You still running a factory deck or an aftermarket? If you've gone to aftermarket I would replace the door spks and amp them. Then your really gonna have some great sound!

 

yah i have the stock deck. as for door speakers i might or might not change them, but i am definitely going to run one sub, just for the fact, i have the setup i need just i need the box only.

 

Ok right on. Even if you amp the factory spks you'll hear a huge sound difference or if you just switch out to some $100 alpine type s 6.5's you'll hear a huge difference. I did post in the gmc forum of a easy way to run your power wire through the fire wall so check that out.

 

cool you have an awesome thread there about running the wire! i'll get the alpine door speakers for sure! man i really appreacite the help, also if you know anyone that wants the visonik amp, and the type R 12 lemme know, ill sell both for 75 bucks

 

Thats a hell of a deal what ohm are the spks and how old? Do they look like mine or do they have a different surround?