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I just removed my aftermarket muffler & put my stock one on, & I noticed a really big difference in my car's performance, it feels alot faster & more responsive. has any1 else experienced better performance removing their muffler??
here's a shitty pic of what I had:

I'm just gonna keep it till I get a full axhaust setup.

 
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haha...weird stuff. maybe its just all in your head

 
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Probably you gain back you low end tq but you will lose your high end power

 
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It's all on your head, put it back on.

 
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first off, what kind of muffler was it??

 
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i like the stock muffler and it still has a nice rumble to it without being obnoxious.

 
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what power?? I don't think muffler gives any power unless u have everything up from headers changed. From what I've learned a muffler alone is just show off, just to make some ricey sound with minimal or no power gain!! Gaining hp from just a muffler is pure BS, IMO if u r lookin for performance, u are better off spending that money on a short-shifter, at least u'll accelerate faster and will also have fun changing gears.

 
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lol its all in your head man!

 
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stock muffler is better for low end because exhaust flows faster. actually the 05 rsx-s muffler has a valve that opens at higher rpm to allow more flow. pretty neat.

 
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Yes, exactly. I was wondering if I can take the stock muffler and take the inside part out and run a straight pipe right through it, it'll look stock so no cops will pick on it, & also it'll sound better.If u ever reved ur car when the muffler was off u might have probably noticed the nice deep sound it makes.

 
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It was about 1.5 yrs ago so I don't remember wut brand it was, but I remember testing 2 or 3 other ones before I chose this one cus it had a nice deep sound. It's got a CF layer on top tho as u see in the pic.

 
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well eventually the baffles in the muffler start to break down, which is why alot of older cars have loud exhaust.

 
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actually i noticed this too, the stock exhaust is only 1.5" and going to a 2.25" exhaust is too big for a 1.7l engine. I now have a RSX type S exhaust that is 1 7/8" and performance is the best yet

 
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no it's not in your head. lol I noticed you get low end.

 
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how did you get the type-s exhaust on? custom work?

 
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yes i welded on an extention. its great to be able to weld

 
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so if i buy a type-s exhaust and muffler, a shop can prolly make it fit?

 
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just have a 2.25 mid pipe and the stock muffler.

You'll be in the middle of high and low ends.

well thats my take on it anyway.

 
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pass whatever it is ur smokin cuz i'd like to hit it. I noticed more performance with the new muffler on mine. Cant see were ur getting better performance.

 
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Itz all on ur head man but seriously man, I'm feeling there is alot less restricrtion on my engin after removing the muffler. u have a VTEC so I guess thats y.

 
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ok first of all its not in his head! you gain low end torque with your stock muffler, but you will lose the high end though. Its a give or take situation, you can't have both. So technically its not in his HEAD! He gained probably way better acceleration when putting on the stock muffler.

 
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lol, maybe its the backpressure? or the fact that your used to listening your muffler pitching high to get to places. but now that its quiet, you dont hear the muffler and that tells your mind your car "seems" quicker cause your dont "hear" it.

 
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^^^ haha...thats what i was thinkin

 
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actually some people argue the new 05+ type s muffler doesn't, only the dc5 ITR does. No one has actually taken the new type s muffler to find out. I don't care since i bought a ITR muffler .

 
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No man, it wasn't that loud, my CAI still makes enough sound. lol, seems like I need dyno results to prove my point haha