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Do anyone know what the resonator is for? will it give better flow without it? Will the sound be different too? Just curious thanx.

 
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It quiets your exhaust down. If it's too loud and annoying, put one on. I don't think it reduces air flow.

 
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intake or exhaust?

in either case. if u check the dictionary.. you'll see that resonators are: "A hollow chamber or cavity with dimensions chosen to permit internal resonant oscillation of electromagnetic or acoustical waves of specific frequencies. "

so it messes with sound, basically.

and in our case.. it reduce the intake and exhaust volume and tone.

 
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thanx guys, one last question. so our 7th gen civics comes with a resonator right? just double checking, cause i only have a universal so i just welded it on my old pipe...and notice further down not far...a small kinda canister....guess thats the resonator yeah...since the cat is way up there...

 
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how do you take a resonator off a CAI? wtf?

 
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huh? what are you talking about lol
yes civic come with resonator.
you just have muffler welded on your stock piping.

 
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whats an intake resonator?

 
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there is a resonator with the intake and exhaust.. the resonator in the engine bay is that middle box thing between the filter box and that tube, the exhaust resonator u cannot miss.. its very loud wen u take it off .. wouldnt recommend

 
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out i thought he was talking about a cold air intake. and im gonna take my resonator off my exhaust yes.

 
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Yee. . just makes her quiet. Dunno what it does for air flow though. . I don't think it helps much. . When I first saw the stock intake system, I was like WTF? . . Goes in through the side, back into the resignator, up through the filter and back down into the engine. . Seems like a lotta work .

 
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Ok so if he were to remove the resonator from the stock exhaust system, it would be a lot louder right. So... for poor college kids like me, romoving the res would give me some sound until I can afford a GReddy... right or ghetto and ricey?

 
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No. . hehe. . That's the short answer. Anyways. . Ya know when you are at a red light with the windows down and a new Cavalier, or Neon, or Focus pulls up and how you can hear their car over yours and you think to yourself, hehe their car is louder. . Yeah . . your car would sound like that. . Probably the only difference. Just a bit louder.

 
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I see, well I don't want to sound or be like a domestic, so I'll wait and be happy being stealth....until...GReddy!

 
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if youre poor just get an axel back

 
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Please do us all a favor and keep your exhaust resonator.

It may sound "ok loud" from the inside of the car, but from the outside i bet it sounds AWFUL.

And the intake resonator....that's not too bad. Makes a really really nice DEEP sound but kills mpg.

 
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resonator=good air flow, also quiets exhaust and adds backpressure. no resonator=poor airflow, louder but gets that "watery" sound, almost like your engine is drowning, back-firing, and you get tickets for noise-orderance (93 dcml.)

 
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its not that loud guys....i put on a CAI...and ive got a catback with no resonator.....its not loud at all....just deep low tone

 
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....backpressure is a bad thing....and how does a resonator make for good airflow???

 
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the airbox resunator is another story, i took it off a couple of weeks ago, so much more room in the engine bay, sounds soo loud, justlike an aftermarket muffler, and u feel a tiny bit of extra power at high rpm's