Engine is acting weird
 

Okay so normally when my car gets to 3.5k and above it rockets up to 7k. Well last night I had a couple CEL's pop up, and my car at idle started struggle to stay at idle(nearly dying a couple times). I then cleared the codes with my flux2 from my unichip. I looked up the codes, but they both seemed to be exhaust related, but I have catless headers and catless front pipe and they are the same codes that always pop up.
So after I cleared the codes, the idle corrected And stayed steady. But now when I drive it seems like the 3.5k and higher has slowed down, almost like the car is struggling to go. It's very bogged down and I can't figure out what to do.

I also researched this and couldn't find anything like this on the forum.


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Clearing the codes probably reset your ECU. It will have to relearn your engine's optimal settings over the next couple of days. Mine does that every time I have to clear a code.

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Okay. So my car isn't going to blow up?


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Video of your exhaust? Sorry to be off topic, but I wanted to know what catless headers and front pipe sound like. I have the Berk muffler delete and catless front pipe and am afraid it will be too loud if I get headers.

after ECU Reset. Car has to relearn the throttle positions and all that magical car stuff. It'll be gone in a week

Do you remember what the codes were?

http://instagram.com/p/qrrAYIIs-9/

Here's the only video I really have of my exhaust.



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That's going to be loud as fuck. There should be a stickied thread in this section with different configurations and videos.

And P0420 and p0172


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Holy shit that's loud! Kinda like it lol. Wonder what a catted el/uel would sound like with my Berk catless setup.

My exhaust setup is
Borla UEl
Stock overpipe
Tanabe front pipe
Touge factory modular catback


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I have the loudest frs I've ever heard.


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Berk overpipe, front track pipe and dual muffler delete.
Scion FR-S Berk Muffler delete w/ track pipe: [ame]http://youtu.be/A42pnwd47I4[/ame]

Problems with the popo?