if your looking to keep your monsoon deck your better off with the stock speakers because nobody really knows how much power the system has, so speakers would be like guessing.
But if your upgrading the deck too, well then theres a world of opportunity.
Visual Mods: Back half 5% tint, Front half 15% tint, 5% Eyebrow tint, Rain guards, Debadged, Arrowhead overlays, Interior LEDs, Painted engine covers, Tinted tails, 6K Low Beam HID, 8K High Beam HID, Painted Grilles, Painted Door Trim
Performance Mods: CRAB intake, 18" Toyo Extensa x 4, Racingline STB, Racingline Grounding Kit
Audio Mods: Head Unit: Pioneer AVH-P5100DVD, Front Speakers: Memphis 6 1/4, Rear Speakers: Memphis 6 x 9, Subwoofers: Kenwood KFC-W3012 12" x 2, Amp: Kenwood KAC-8105D 500W