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Custom Midpipes

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Old 08-07-2009 | 09:19 PM
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Custom Midpipes

My friend is getting me a buddy price at a local performance shop to install a new catless midpipe on my 8. But I have a few questions I need answered by you guys before I go in there, sorry if these have been posted about.

1. I know this shop does legit work, but will I get (in theory) acquire less hp gains from this guy as opposed to buying a Supercat or something like an Exoticspeed midpipe.
2. Is these anyway to prevent it from throwing a CEL?
3. What will be the hp gain difference between going, non resonated, resonated and dual resonated?

Thanks guys!
Old 08-07-2009 | 09:24 PM
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whats the diameter on the custom midpipe??
Old 08-07-2009 | 09:39 PM
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1)try to get a 3" midpipe
2)if you remove the cat, you WILL get a cel, if you have an ap you can mask it
3)Maximum 1-2 difference between dbl res and non resonated pipes
Old 08-07-2009 | 09:43 PM
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Ok, sounds good. I'll try to get a 3", i'm sure it won't be a problem. So we're talking the same hp gains? Also, thanks. AP is after this hopefully. Just gotta find a good deal on one for an AT.
Old 08-07-2009 | 09:46 PM
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ross hit it
Old 08-07-2009 | 09:50 PM
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what?
Old 08-07-2009 | 09:52 PM
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ross said everything that needed to be said...
Old 08-07-2009 | 09:55 PM
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Oh! Yes he did haha. Smart man.
Old 08-08-2009 | 09:48 PM
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^ a very smart man...
Old 10-20-2009 | 06:46 PM
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Anyone knows what error code will be thrown for removing the cat?
Old 10-20-2009 | 08:39 PM
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No sorry.
I don't want to bash but I want to ask. What year is your rx8?
Old 10-20-2009 | 09:28 PM
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Originally Posted by Nemesis GP
Anyone knows what error code will be thrown for removing the cat?
P0420 Catalyst system efficiency below threshold
Old 10-20-2009 | 09:32 PM
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you cant really mess up on a midpipe since its really just a pipe....
Old 10-20-2009 | 10:35 PM
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unless you want diamonds on it.

then all other midpipes look like ****.
Old 10-20-2009 | 10:40 PM
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how much for the midpipe? jwing lol
Old 10-23-2009 | 01:50 AM
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My custom midpipe was $175 including the flanges I bought from RB.
Old 10-23-2009 | 03:04 AM
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Originally Posted by ZachLegend
AP is after this hopefully. Just gotta find a good deal on one for an AT.
What kind of deal are you looking for. Cheap? Used? And then find someone to tune it for you.

Or you could buy one from someone who knows what they are doing. Someone who has tuned over 500 RX8's FI (Supercharged, Turbo, Nitrous), NA, MT, AT. 6 months of free tuning.
Hmmmmm,, where could you get that kinda deal?
Old 10-23-2009 | 03:20 AM
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Race R......Racing Beat?
Old 10-24-2009 | 10:49 PM
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Old 10-25-2009 | 01:42 AM
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turboxs? $150!

it says it can only be used with their exhaust, but some members have made it fit with some extra time.
Old 10-25-2009 | 08:32 AM
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Anything but a 3' pipe would be waste. This car needs at least 3' all the way back-- Let it breathe

If your looking to resonate then Racing Beat sells resonator cans- If I was you I would go with resonated cans on the pipe. The cat will be just to raspy without them and drown at highway speeds.

There is no way around a CEL without having a AP. You can't fool the PCM with anything other then masking with a AP. P0420 is the code you'll throw- you can delete it with a OBD2 scanner but the code will always pop up in a matter of time. So buy a scanner to periodically check from other code that might pop up.

Personally, I think you'd be better off buying a used mid pipe and save you some time and effort. But if you up for the task I say go for it just make sure you get it right the first time, it would suck to tweak something like this over an over.

Good Luck
Old 11-02-2009 | 02:09 AM
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Polluting the environment every minute you drive the car for a very few HP for the few times you rev it out is retarded

I pulled 220 rwhp NA emissions legal and none of the catless tards here have even come close to that
Old 11-02-2009 | 03:12 AM
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Originally Posted by TeamRX8
Polluting the environment every minute you drive the car for a very few HP for the few times you rev it out is retarded

I pulled 220 rwhp NA emissions legal and none of the catless tards here have even come close to that
According to the Supreme Court of the United states, you pollute the environment every time you exhale. Now THAT is retarded.
Old 11-02-2009 | 04:48 AM
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Originally Posted by Flashwing
According to the Supreme Court of the United states, you pollute the environment every time you exhale. Now THAT is retarded.
So i would go to jail for farting... like criminal pollution or such?
Old 11-02-2009 | 05:01 AM
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Originally Posted by bse50
So i would go to jail for farting... like criminal pollution or such?
No but certain people would like to fine farmers for their cows farting.

/end threadjack


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