SpeculizerJim Posted January 13, 2010 Report Share Posted January 13, 2010 What size battery for a 2008 GMC Sierra? Wanting to purchase 2 XS Power batteries for under the hood. Quote Rockford Fosgate 500.2 Kicker ZX 1500.1 2 L7 10's in downfire box 2 Pair Kicker SS 6.5" Components 2 Par Kicker Tweeters Eclipse AVN62D 2 Optima Yellow Tops Big 3 Link to comment Share on other sites More sharing options...
matt402 Posted January 13, 2010 Report Share Posted January 13, 2010 S3400 . Quote Link to comment Share on other sites More sharing options...
Nathan @ XSpower Posted January 13, 2010 Report Share Posted January 13, 2010 Yes, the S3400 will fit perfect along with the IBar kit to give you the side post options. Quote Link to comment Share on other sites More sharing options...
SpeculizerJim Posted January 13, 2010 Author Report Share Posted January 13, 2010 Thanks for the replies guys, 2 S3400's it is Quote Rockford Fosgate 500.2 Kicker ZX 1500.1 2 L7 10's in downfire box 2 Pair Kicker SS 6.5" Components 2 Par Kicker Tweeters Eclipse AVN62D 2 Optima Yellow Tops Big 3 Link to comment Share on other sites More sharing options...
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