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  1. #1

    Default sub box for 98 extended cab? anyone?

    I am looking to build a sub enclosure for my 98 silv. ext cab. i want to put it under the back seat, but i want to keep the tool box. i am only planning on getting one 10" under there, i decided i dont really use two 10s enough to sacrafice my tool box for them. any body have any pics to show me of yours, built or bought. I will post pics of my box whenever i get it finished. going to change my head unit and components before i take the time to build the sub box.

  2. #2


    well measure out the side you want to use and maybe you can fit 2 10s in one box! i just measured out my back seat on my 06 silverado and built to fit

  3. #3
    2002 Chevrolet Silverado 1500 z71 1985 Chevrolet Silverado k10 2006 Chevrolet Silverado 2500hd 6.6l LLY Duramax
    6.5" BDS Suspension Lift Edelbrock Carb & Polished Intake Manifold & Valve Covers NAPC Race Transmission & NAPC Built Transfer Case
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    35" Toyo Open Country Mud Terrain on 18" Ion Alloy 179's Headman Long Tube Headers and True Dual Exhaust FASS 150gph Titanium Series Pump
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    NGK Iridium Tips & MSD Ignition Plug Wires Baja Spare Tire Holder 33x13.5 Hankook rt03 18" XD Rims
    Innovate LC-1 Wideband o2 Sensor x2 HID's all around LED taillights and 3rd brake light
    BDS Dual Steering Stabilizers Pioneer Double-DIN Touchscreen Navigation with Two 10" Subs under rear seat
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  4. #4


    Quote Originally Posted by Project1 View Post
    well measure out the side you want to use and maybe you can fit 2 10s in one box! i just measured out my back seat on my 06 silverado and built to fit
    thats the plan so far, thats what i did for my 90 S10 reg cab, worked out alright.

  5. #5
    Master Mechanic zubbiez's Avatar
    Join Date
    Feb 2009
    Eagle Mountain Utah

    Default box dimensions

    what kind of subs are you going to use? it is important to know how much air space your subs need. do you listen to rock or rap music. if you like rock music you should go with a sealed box itll hit harder and a ported box for your beating the hell out of a rubber raft sound type bass. when i go outside ill take a tape measure with me and get you the dimensions of my box and the air volume it has. I only run one ten inch but wouldnt be to hard to just build two boxes
    2000 Silverado Z71 Whipple Supercharger, JBA Headers,3" cat back Flowmaster Exhaust, Volant cai, Pioneer Preimer deck,Orion subwoofer,03 signal light mirrors,03 taililghts

  6. #6
    Jr. Apprentice JMPickins09Sierra's Avatar
    Join Date
    Jan 2009
    West Palm Beach
    Blog Entries


    If you arent sure as to what kind of subs you will use, i have a brand new in the box 10" w1v2. This may be what you are looking for

  7. #7


    i am running one Alpine TypeE. i am only running one because i don't want to remove my tool box, which fills half of hte space under the rear seat. I built my S10 box to match the reommended volume for these subs, that box was ported and sounded great in the s10. it doesnt sound like much in the silv.(i laid it down in the back seat untill i build my box. i havent decided weather or not to build ported again. i listen to country for the most part, but cruising i listen to rap/hiphop which is really when you want the most bass.

    98 Silverado
    5.7 vortec
    14 bolt posi rear, with 373s
    33" wild countrys
    tube steps, chrome kit, fenderflares,
    chrome diff plate, window flares,
    2-10"Alpine TypeE, Alpine 450watt V-Power.

  8. #8

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