Tuning for UEL header - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

chengo · 03-13-2020, 02:52 PM

Hey guys, i am going to get a new UEL header for my 2017 BRZ, and i know i am suppsed to get a tune for it, but i can not do it right after the header install, i may be driving it for couple of month with the new header, just wondering is there is any problem with driving with a aftermarket header but with out a tune.

MCTeeJ · 03-13-2020, 02:57 PM

I mean the stock tune is meant for an EL catted header, and you're willingly putting something different on without telling the car. Will you be ok? Most likely....but why not just wait to do the header and tune at the same time?

hifiguy99 · 03-13-2020, 03:23 PM

Quote:

Originally Posted by chengo

Hey guys, i am going to get a new UEL header for my 2017 BRZ, and i know i am suppsed to get a tune for it, but i can not do it right after the header install, i may be driving it for couple of month with the new header, just wondering is there is any problem with driving with a aftermarket header but with out a tune.

Nothing will happen, a CEL will eventually turn on.

Read this:
http://www.ft86club.com/forums/showthread.php?t=81493

Alpha86 · 03-13-2020, 04:06 PM

I drove with a catless UEL and a stock tune for about a year. Just lived with the P0420 CEL during that time. Nothing bad happened, but you won't notice any performance gains until you get a tune, and CELs prevent you from using cruise control, or you won't pass emissions testing if your area requires it.

03-13-2020, 02:52 PM	#1
chengo Junior Member Join Date: Mar 2020 Drives: 2017 BRZ Location: Prince Edward Island Posts: 3 Thanks: 0 Thanked 0 Times in 0 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Tuning for UEL header Hey guys, i am going to get a new UEL header for my 2017 BRZ, and i know i am suppsed to get a tune for it, but i can not do it right after the header install, i may be driving it for couple of month with the new header, just wondering is there is any problem with driving with a aftermarket header but with out a tune.

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03-13-2020, 04:06 PM	#4
Alpha86 Member Join Date: Jun 2018 Drives: 2013 Firestorm Red FRS Location: Chicago, IL Posts: 45 Thanks: 28 Thanked 16 Times in 12 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	I drove with a catless UEL and a stock tune for about a year. Just lived with the P0420 CEL during that time. Nothing bad happened, but you won't notice any performance gains until you get a tune, and CELs prevent you from using cruise control, or you won't pass emissions testing if your area requires it.

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