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Perform the big 3-upgrades for your vehicle with our exclusive big 3 upgrade kits and packages. Buy now for fast and free shipping!
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XS Power Big 3 Upgrade Kits

XP FLEX 1/0 AWG Big Three Electrical System Wiring Upgrade Kit for Audio Sytems up to 250 Amps

• Use to Upgrade Your Factory Power and Ground Wire
• More Effective Than Capacitors When Experiencing Dimming Lights
• Vehicle's Electrical System Will Run More Efficiently
• Use for Systems 250A or Less
• Comes With All Needed Wiring
• Ring Terminals are Pre-Connected to Power and Ground Wire

Add a pair of Large Gauge Cable Crimper and Save 25%

$49.99

IN STOCK

XP FLEX 1/0 AWG Big 3 Upgrade Kit with 100% OFC Wire

• Use to Upgrade Your Factory Power and Ground Wire
• More Effective Than Capacitors When Experiencing Dimming Lights
• Vehicle's Electrical System Will Run More Efficiently
• Use for Systems 350A or Less
• Comes With All Needed Wiring
• Ring Terminals are Pre-Connected to Power and Ground Wire

Add a pair of Large Gauge Cable Crimper and Save 25%

$92.52

IN STOCK

Only 3 Left!

XP FLEX 1/0 AWG Big Three Electrical System Wiring Upgrade Kit for Audio Sytems up to 250 Amps

• Use to Upgrade Your Factory Power and Ground Wire
• More Effective Than Capacitors When Experiencing Dimming Lights
• Vehicle's Electrical System Will Run More Efficiently
• Use for Systems 250A or Less
• Comes With All Needed Wiring
• Ring Terminals are Pre-Connected to Power and Ground Wire

$49.99

IN STOCK

XS Power XP750-CK XP750 AGM Battery Power Cell w/ Installation Kit + Stinger SPC505 5 Farad Pro Digital Hybrid Capacitor + NVX XBG3PK Big 3 Kit

• XP750 AGM Battery Power Cell
• Installation Kit for 1000-1500 Watt Audio Systems
• All-in One Battery plus Battery Wiring Kit
• Digital 5 Farad Hybrid Capacitor
• 5 farad capacitor for systems up to 3500 watts
• 100% OFC (Oxygen Free Copper) 1/0 Gauge Big 3 Upgrade Kit

$327.88

IN STOCK