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sup guys like the title says i dont come on here but to make a long story short...... and yes ive searched but cant no one make a reasonable answer they always say yes it will or ask this person and blah blah blah but i want to know if 04 Civic SI's shocks and struts fit a 01 civic ex. the ones on my wifes civic are blown and my brother has his stock ones still so very simple question please please answer so i dont have to come back and keep looking and asking. also if i were to get lowering springs would i get springs for the ep3 or springs for the civic ex. thank you sorry for the same damn question but please help.

 
Rep Power: 381

theres a difference in bolt size at the knuckle. the 01 has 14mm bolts the 04 has 16mm bolts. so technically the 04's should fit, but theres going to be alot of slack, and its probably not the best idea.

for the springs, buy the EX ones.

 
Rep Power: 301

yeah what he said, i wouldnt recommend it.

wait i just re-read your post... when you say SI do you mean ep3 or candian Ex? if you mean ep3 im not sure if they even fit...

 
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cool thanx alot guys. finally a dead on answer. now when u guys say u dont recommend it because of the slack do you mean u dont recommend it as a daily driver because this car is not used for racing its used for daily driving. i appreciate the honest saftey answer but i really dont want to buy new struts and if it can be pulled off i would like to use my brother's struts but if there is no way in hell for a daily car then i suppose i will have to buy new struts. yes the SI is ep3 in america im talking about and the EX is my wife's 01. again thanx for the replies guys

 
Rep Power: 381

The problem comes from the risk of you hitting a bump on the street and the bolts at the knuckle shifting = camber angles have changed + toe angles have changed... so its more a handling + tire wear risk. so unless you like getting alignments regulary if just to make sure they havent shifted, I'd say its not really a good idea.