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Definition: the "Big Three" upgrade means improving the current capacity of three cables: 1) alternator positive to battery positive, 2) battery negative to chassis, and 3) engine ground to chassis.
I plan to replace my Bose system and add about 1000 watts for subs and 400 watts for speakers.
lol does don't sound like big upgrades, maybe its just me . When I hear big 3 upgrades, BHR ignition coils, mm Cobb AP, RB midpipe popped in my head. Learned something new today too!
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RB exhaust, BDC ported TB, ACT prolite G6, urethane mount, AFSS, RR Syncro saver, Optima 34R, RB Headers, Auto exe chassis braces, RB exhaust, Vleds, Stoptech BBK, Mazdatrix SS brake lines, KWv3 coilovers, Hotchikis RSB, BHR radiator, BHR coil, REmedy oil kit, Samco 6pc, REmedy water pump, MS Shift ****, Richard Sohn, Enkei RPF1, PBM hydo brake, MS body kit, RB Midpipe, 4.77 GR, Kaaz LSD, R3 recaro, Pettit SC stage II
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