for capasitor...if i wana improve my car vocal bass sensetive and instrument can reccomand me which cap i should use???since my car still hv warranty so i dont wana void my car warranty??since my budget is tight arn rm100 only so which one u would reccomand me???first should improve vocal and bass...


my current setup
amega 4inch component
rds mid woofer...
ori hu and without install amp