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Car Audio Equipment
Amplifiers
New System for 2002 GMC Sierra
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<blockquote data-quote="HardofWhoring" data-source="post: 8628226" data-attributes="member: 674149"><p>I would definitely upgrade the rear speakers. They are 4"x6" or 4", and you can usually get a decent pair pretty cheap. If you find a pair that will match to the same wattage, as your components you can run a 4ch amp for the four.</p><p></p><p>Subs in that extended cab are extremely easy. Almost every company that makes subwoofer enclosures, makes em for the 99-06 ext cab. 2 subs will fit right under the back seat for a perfect fit, (if that works for you keeping those in the way). You can probably get a good deal new on a package deal. I can always find a box with woofers, wiring, and an amp on Clist for about 1/2-1/3 of new. If you don't have any of that, might be a good way to jump in.</p><p></p><p>Sound deadener makes a big improvement on these trucks. Not only helping clarity, but for quieting down the cab. IMO look into getting sound deadener for the doors.</p><p></p><p>(I drive an 02 silv).</p><p></p><p>Only other things I would think of, is if you are going to add subs then I would definitely add "the big 3". Also a larger alternator. the 99-06 came with 2 size alts. IIRC 105 &amp; 130amp alternators. The 105 is the small case, the 130 amp is the large case. They are interchangeable but the 130amp has a larger pulley and uses a v belt that is 3/4" longer. As long as you match the belt you can change the size of the alt. Almost every auto parts store will carry the 160amp large case alt.</p></blockquote><p></p>
[QUOTE="HardofWhoring, post: 8628226, member: 674149"] I would definitely upgrade the rear speakers. They are 4"x6" or 4", and you can usually get a decent pair pretty cheap. If you find a pair that will match to the same wattage, as your components you can run a 4ch amp for the four. Subs in that extended cab are extremely easy. Almost every company that makes subwoofer enclosures, makes em for the 99-06 ext cab. 2 subs will fit right under the back seat for a perfect fit, (if that works for you keeping those in the way). You can probably get a good deal new on a package deal. I can always find a box with woofers, wiring, and an amp on Clist for about 1/2-1/3 of new. If you don't have any of that, might be a good way to jump in. Sound deadener makes a big improvement on these trucks. Not only helping clarity, but for quieting down the cab. IMO look into getting sound deadener for the doors. (I drive an 02 silv). Only other things I would think of, is if you are going to add subs then I would definitely add "the big 3". Also a larger alternator. the 99-06 came with 2 size alts. IIRC 105 & 130amp alternators. The 105 is the small case, the 130 amp is the large case. They are interchangeable but the 130amp has a larger pulley and uses a v belt that is 3/4" longer. As long as you match the belt you can change the size of the alt. Almost every auto parts store will carry the 160amp large case alt. [/QUOTE]
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New System for 2002 GMC Sierra
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