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Drivetrain Will Resonator delete make my car noticably louder?

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Old May 4, 2010 | 08:30 PM
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Will Resonator delete make my car noticably louder?

Just need comments about having the resonator taken off. i had a dp, so i dont have 1 cat and wanted to make it louder and wanted to the type of sound after the resonator cames off.
is it a nice loud?
does it make it much louder?
 
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Old May 4, 2010 | 09:24 PM
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Do you still have your 2nd cat? or is it a JCW. For my MINI with the resonator and 2nd cat deleted on my stock exhaust it makes it a nice louder. It might be louder on your MINI since you have a DP with no cat.
 
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Old May 4, 2010 | 10:07 PM
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It will be slightly louder....

but its more of a tone thing....your tone will change more than the actual volume will increase, it will be much more raspy and not as clean sounding
 
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Old May 4, 2010 | 10:22 PM
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I did the resonator delete on my MCS JCW. When it's cold it's a little tinny sounding, but when it warms up, it really burbles. All in all, I'm very happy with it.
 
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Old May 5, 2010 | 08:14 AM
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yes it will be louder. i went through a couple of setups.

-catless dp, 2nd cat, resonator and muffler- sounds stock, little burble, no drone
-catless dp, no 2nd cat, resonator, muffler- sounded a little deeper, more burble, no drone
-catless dp, 2nd cat, no resonator, muffler- sounded louder, drone in 5th and 6th, lots of pop

personally i went back to the first set up, i like the 2nd setup but theres too much sh*t coming out of the exhaust and i was tired of it making the back trunk all dirty/gritty
 
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Old May 5, 2010 | 03:58 PM
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i has a 09 mcs intake and dp.. i want it to be loud but still sound deep. so im think of taking the 2nd cat instead??
what would you guys do in my situation
 
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Old May 5, 2010 | 04:24 PM
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This is like asking if FiberOne gives you bad gas...
 
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Old May 5, 2010 | 05:02 PM
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Originally Posted by LittleBlueBEAST
i has a 09 mcs intake and dp.. i want it to be loud but still sound deep. so im think of taking the 2nd cat instead??
what would you guys do in my situation
Get the exhaust shop to remove the resonator, weld some flanges on, and make a flanged straight pipe replacement, so you can alternate.
 
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Old May 5, 2010 | 05:24 PM
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What kinda of catless dp would you guys recommend?

I currently have JCW Kit with 2nd cat, resonator and muffler.
 
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Old May 5, 2010 | 05:28 PM
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does anyone have videos of a turbo mcs with resonator off. i really dont want to take it off if its nto guna sounds deep and sound like a ricer
 
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Old May 5, 2010 | 06:58 PM
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http://www.youtube.com/watch?v=emIVgft8g68 and http://www.youtube.com/watch?v=Mbcmyi3RnA8

If you remove your resonator you might as well remove your 2nd cat unless your live in a CARB state.
 
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Old May 5, 2010 | 08:44 PM
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i live in CA, does that count as a carb state
 
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Old May 5, 2010 | 09:35 PM
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Originally Posted by LittleBlueBEAST
i live in CA, does that count as a carb state
CARB stands for California Air Resources Board. Not only is CA a CARB state, it invented the notion of CARB states.
 
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Old May 5, 2010 | 11:15 PM
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so does that mean im screwed or what
 
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Old May 6, 2010 | 01:18 AM
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Since you live in California DO NOT remove your 2nd cat, but you can remove your resonator with no problems.
 
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Old May 6, 2010 | 08:24 AM
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So removing the resonator won't cause a problem passing inspection but removing the 2nd cat will cause a problem passing inspection right?
 
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Old May 6, 2010 | 10:24 AM
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Removing any emissions control device (ie 2nd cat) is illegal in any CARB state (and ignored violation of site guidelines ) and should fail visual inspection of said vehicle. Personally, i don't think any R56 has yet come up for smog check in a CARB state, so who knows if techs are actually inspecting under for the 2nd cat. If you remove both cats and are unlucky enough to get pulled over by someone knowledgable, they can cite you. It's rare but it is possible to be towed/impounded. My friend had his 240 impounded and cited for no cat among other numerous other issues including the speeding and illegal lane change he was pulled over for.

That said, there is debate as to whether or not you will pass the sniffer w/o the 2nd cat. Next year should see 07's come up for first round of inspections in CA, so we'll have to wait for the answer to that question.
 
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Old May 6, 2010 | 04:47 PM
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Originally Posted by jcarlos914
So removing the resonator won't cause a problem passing inspection but removing the 2nd cat will cause a problem passing inspection right?
Correct. The resonator has nothing to do with your emissions because it is only there to keep the sound of your exhaust down. If you live in a CARB state and remove your 2nd cat then there is a high chance you will have problems passing the emissions test.
 
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Old May 6, 2010 | 09:04 PM
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ok so i decided to take etalj's advice. im taking of my resonator and putting a flnage and straight pipe so i cant switch off easier.
I drove my mini with an open exhuastt, it wass soo loud haha, i should have the video soon
 
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Old May 7, 2010 | 06:27 AM
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Originally Posted by Davidoyo
Correct. The resonator has nothing to do with your emissions because it is only there to keep the sound of your exhaust down. If you live in a CARB state and remove your 2nd cat then there is a high chance you will have problems passing the emissions test.
Ok thanks. Also, would removing the 2nd cat make it sound better than only removing the resonator or would that not make a difference to the sound?
 
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Old May 7, 2010 | 08:23 PM
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Originally Posted by jcarlos914
Ok thanks. Also, would removing the 2nd cat make it sound better than only removing the resonator or would that not make a difference to the sound?
That's a good question. I have been meaning to make a exhaust vid of my Mini. I know that with removing the 2nd cat I get more throttle response and my exhaust is a little more free flowing. It might be a little louder without the 2nd cat but not be much. I will see if I can make a video in a couple of days.
 
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Old May 8, 2010 | 07:58 AM
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If you get a vid soon that would be awesome!
 
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Old May 9, 2010 | 05:47 AM
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hahaha oops! Just realized I live in a CARB state and have a catless DP and a factory JCW exhaust from the DP back. Luckily I kept my stock equipment just incase.

Not to hijack, but after how long after buying a new car is it required to do emissions tests? Does it purely depend on the state?
 
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Old May 9, 2010 | 03:40 PM
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I know for Texas it is 2 years
 
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Old May 9, 2010 | 11:51 PM
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Originally Posted by Gilboyto
Not to hijack, but after how long after buying a new car is it required to do emissions tests? Does it purely depend on the state?
Depends on state....some states don't do it at all

Here in AZ its 5 years
 
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