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Discussion Starter #1
i have a 2012 crew fx2 - fully loaded
bone stock - 40,xxx miles
i beat on this truck
last time i took it into service, complained about rough idle and bad fuel milage, they reflashed ecu and changed plugs..... its worse now!
so its out of warranty and time to mod...
I done some research and this is what i am going to start with:

change to a new set of plugs : (Sp534 or long part number CYFS12YT3 gap at .30) is this correct?
170 therostat, part number?
sct livewire - with a few mpt tunes
afe stage 2 CAI - but what type filter - pro 5 R - pro dry 7 or pro guard 7? which one - whats the difference?
going to replace/upgrade exhaust from y/downpipe to muffler (now 2.5") - removing resonator to a 3" - as i understand the muffler and rest of exhaust is 3" -

catch can in near future - need to research it more...

suggestions / concerns / comments? flame on...
 

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Your mod list looks good, check out some of the vendor's sites and start ordering! BTW welcome!
 

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Yes do the plugs you referenced. Correct on gap.

170 tstat is from reische, I bought mine from mike Bambic, stage 3 may have them too.

I personally went with the x4 over the livewire, but that's just a preference thing. I run MPT and LET, love them both.

I have an s&b intake which I love, afe is loved by most hated by a few.

Good list, I would also add a meth kit into your plans.


Certified Internet Warrior. I once ctrl alt del'd a man to death.
 

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I would say catch can first, I brought mine with me to the dealership and installed it in the parking lot, it's that important!
 
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