ran comps without crossovers few questions about system

[ccapital83 10+ year member]

Ok so my stock car has stock component in front with amplifier and built in crossovers already. Since it already had crossovers, I bought the JBL P660C swapped the mids and tweets and left jbl crossover out of equation. now i was curious how well this would sound. it was suggested by other owners of same car not to use jbl crossover due to cars pre built in ones. so after install i am floored how dam good this sounds on a stock amp and radio. So if it sounds this amazing without the crossover what would have happened if i ran the JBL crossover in the line? Would the two crossover points fight one another? Would it sound even better? or worse?

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[jstaguy24 10+ year member]

If the factory speakers were a different ohm coil the crossover setpoints will change. I know the p660's are a 2 ohm set. So I'm sure it has changed the crossover set points. I just learned a little about that reading about crossovers on parts express when I was looking at buying raw drivers and crossovers. But that's all the knowledge I have on it. I'm definitely not an expert on it