Vibration and knocking
I notice it usually only when I'm going speeds below 45 mph. My car shakes a bit and there's a knocking coming from the rear. The noise will go away when I'm accelerating but come back as I slow down. Is it a u-joint?
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No engine/performance mods (yet). Mach 460 sound system, 2 12" alpine subwoofers in a custom box w/ 1800watt kenwood amplifier. Smoked halo headlights, smoked sequential taillights, black bullitt staggered rims, racing stripes, and plastidipped spoiler. Future exterior mods - Chin spoiler, black fuel door, and demon fender flares (plastidipped).