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jimmydean · 02-14-2013, 11:55 AM

5.25" in the door without mods, 4" round or 4x6 plate for the rear pillar.

If you mod the location a bit, you can squeeze a 6.5 in the door and 5.25 in the rear.

02-14-2013, 11:55 AM	#2
jimmydean Registered User Join Date: May 2005 Location: Beaverton, OR Posts: 3,728	Re: 1998 GMC 1500 EXT CAB Speaker size 5.25" in the door without mods, 4" round or 4x6 plate for the rear pillar. If you mod the location a bit, you can squeeze a 6.5 in the door and 5.25 in the rear. __________________ New Project: 1966 LWB C20 Plans: 1/2 ton conversion Dropmember front Dropmember rear Corvette discs Restored raised bed http://67-72chevytrucks.com/vboard/s....php?p=4295210