TOMEI UEL vs. EL headers (w/stage 2 OTS tune) - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

UrmyboyBLUE · 10-02-2014, 12:35 PM

I'm still up in the air on which type of header to purchase. I do love the boxer sound with the UEL and I like the increased torque at low end, but is the performance increase of the EL header combined with the Stage 2 tune (or even the stage 2 E85 tune) that much better than the UEL with the same corresponding tune? Does the combination of that tune and the EL header give you enough added low end torque to be happy without having to get the UEL? I'm talking strictly performance here......forget the sound difference. Please help me here , lol

tomaszjanczak · 10-02-2014, 12:47 PM

Considering you'll be using the OFT tunes, I'm pretty sure the UEL will give you the better low end torque, minimized/eliminated torque dip, and peak horsepower. At least that's what the guys at Vishnu say when you use the OpenFlash header. Tomei's doesn't look too different so I'd say the UEL for best performance and EL only if you want the EL sound (which I do lol).

cnk · 10-02-2014, 01:29 PM

It's so minimal in terms of the differences that I would say to just get whichever one you think sounds better. I had 10 years of the boxer rumble and liked the sound of EL better so that's what I bought. Happy with my purchase and that's what really matters in the end.

UrmyboyBLUE · 10-02-2014, 01:53 PM

ok thanks for the advice

cdrazic93 · 10-02-2014, 01:54 PM

There is still no dyno's proven to make power that differs to be biased each way EL or UEL to produce more power. In which case go with the one you like the best and pr can get the best deal on.

gabeg86 · 10-02-2014, 07:38 PM

The dyno results from tomei literally showed zero max hp (<1 hp) gain with the UEL vs about 7 whp with the EL. So there is a difference, but I would like to see tuned dyno results

Triumphrider · 10-03-2014, 03:13 PM

I'm using a borla uel and oft stage 2. Love the grunt it gives the car. Just added Crawford bpb yesterday, again more grunt. I liked the uel torque because it's more applicable where I drive the car mostly 2.5k - 5k

Kronos · 10-03-2014, 10:03 PM

I think it's just the fact that these headers (el or uel) are catless. Although the open flash team did mention they were able to get the best results with their uel open flash header. However I'm thinking the difference between catless el vs uel is minimal

Sent from my iPhone using Tapatalk

teamred · 10-05-2014, 08:06 PM

I have the el and peak power is pretty good it made 191.6whp on 92octane but it did almost nothing to improve my torque dip, with the tune the dip is still there but just in a smaller rpm range.I've heard the uel does a much better job getting rid of the torque dip.hopefully going to try again with a catless frontpipe next time and see how the numbers change

gabeg86 · 10-07-2014, 12:58 PM

Quote:

Originally Posted by teamred

I have the el and peak power is pretty good it made 191.6whp on 92octane but it did almost nothing to improve my torque dip, with the tune the dip is still there but just in a smaller rpm range.I've heard the uel does a much better job getting rid of the torque dip.hopefully going to try again with a catless frontpipe next time and see how the numbers change

What were your baseline numbers? Do you have a graph to show the curve? The header you have is on the top of my list, but I kinda want to get more 3rd party results before ordering

teamred · 10-08-2014, 02:56 PM

Quote:

Originally Posted by gabeg86

What were your baseline numbers? Do you have a graph to show the curve? The header you have is on the top of my list, but I kinda want to get more 3rd party results before ordering

these numbers might be improved upon with another tuning session but right now this is what im working with with Tomei el header,Perrin overpipe,Invidia catted frontpipe, and Injen SES catback

gabeg86 · 10-08-2014, 02:59 PM

Quote:

Originally Posted by teamred

these numbers might be improved upon with another tuning session but right now this is what im working with with Tomei el header,Perrin overpipe,Invidia catted frontpipe, and Injen SES catback

Ouch that torque dip is ugly with the Tomei EL... Other EL headers pretty much eliminate the dip.. UEL is better for the dip, but most EL's aren't this bad

s2d4 · 10-08-2014, 03:02 PM

who is the tuner?

teamred · 10-08-2014, 03:03 PM

Quote:

Originally Posted by gabeg86

Ouch that torque dip is ugly with the Tomei EL... Other EL headers pretty much eliminate the dip... UEL is better for the dip, but most EL's aren't this bad

are you looking at 3rd party results or the manufacturer's?

10-02-2014, 12:35 PM	#1
UrmyboyBLUE Member Join Date: Sep 2014 Drives: 2015 Subaru BRZ "Series.Blue" Location: Cincinnati, OH Posts: 28 Thanks: 0 Thanked 9 Times in 8 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	TOMEI UEL vs. EL headers (w/stage 2 OTS tune) I'm still up in the air on which type of header to purchase. I do love the boxer sound with the UEL and I like the increased torque at low end, but is the performance increase of the EL header combined with the Stage 2 tune (or even the stage 2 E85 tune) that much better than the UEL with the same corresponding tune? Does the combination of that tune and the EL header give you enough added low end torque to be happy without having to get the UEL? I'm talking strictly performance here......forget the sound difference. Please help me here , lol

10-02-2014, 01:54 PM	#5
cdrazic93 Junior Join Date: Aug 2013 Drives: a car Location: Probably at school Posts: 4,341 Thanks: 3,184 Thanked 2,512 Times in 1,502 Posts Mentioned: 20 Post(s) Tagged: 0 Thread(s)	There is still no dyno's proven to make power that differs to be biased each way EL or UEL to produce more power. In which case go with the one you like the best and pr can get the best deal on. __________________ "Ah! What music! They could have never imagined, those pioneers who invented the automobile, that it would posses us like this, our imaginations, our dreams. Men love women, but even more than that, men love CARS!"-Lord Hesketh

10-02-2014, 07:38 PM	#6
gabeg86 Senior Member Join Date: Jun 2012 Drives: 2013 Raven FR-S Location: Albuquerque, NM Posts: 324 Thanks: 139 Thanked 81 Times in 55 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	The dyno results from tomei literally showed zero max hp (<1 hp) gain with the UEL vs about 7 whp with the EL. So there is a difference, but I would like to see tuned dyno results __________________ Perrin (LWCP) - Blox (shift knob) - HID Powerhouse (LED's and HID's) - Eibach (sportlines) - Muteki (lugs) - SPL (LCA's) - Rays Engineering (57dr's) - Dunlop Direzza ZII (tires) - Greddy (Evo3) - Full Race (turbo kit) - Ecutek (tuned)

10-03-2014, 03:13 PM	#7
Triumphrider Senior Member Join Date: Oct 2013 Drives: 2013 Scion FRS in white out Location: Cambridge, Ontario, Canada Posts: 261 Thanks: 141 Thanked 102 Times in 64 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	I'm using a borla uel and oft stage 2. Love the grunt it gives the car. Just added Crawford bpb yesterday, again more grunt. I liked the uel torque because it's more applicable where I drive the car mostly 2.5k - 5k __________________ 2013 Scion Frs AT in Whiteout, Borla UEL header, Greddy SP Elite AxleBack. Kraftwerks C38 Supercharger tuned by Moto East and 2 kid seats in the back.

10-05-2014, 08:06 PM	#9
teamred Member Join Date: Mar 2013 Drives: firestorm scion frs Location: Olympia,WA Posts: 79 Thanks: 8 Thanked 23 Times in 18 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	I have the el and peak power is pretty good it made 191.6whp on 92octane but it did almost nothing to improve my torque dip, with the tune the dip is still there but just in a smaller rpm range.I've heard the uel does a much better job getting rid of the torque dip.hopefully going to try again with a catless frontpipe next time and see how the numbers change __________________ My build=2013 MT firestorm FR-S, AFE drop in filter, Mishimoto induction hose, Tein street flex coilovers, Perrin endlinks, black 17x9 Rays gram light 57dr, 255/40/17 Michelin pilot sport a/s 3, Tomei el header, Perrin overpipe, AVO catless frontpipe, Injen SES dual cat back exhaust,tuned at drift office

10-02-2014, 01:29 PM	#3
cnk Senior Member Join Date: Aug 2012 Drives: '13 DGM BRZ Limited Location: NJ Posts: 1,201 Thanks: 59 Thanked 547 Times in 339 Posts Mentioned: 8 Post(s) Tagged: 0 Thread(s)	It's so minimal in terms of the differences that I would say to just get whichever one you think sounds better. I had 10 years of the boxer rumble and liked the sound of EL better so that's what I bought. Happy with my purchase and that's what really matters in the end.

10-02-2014, 01:53 PM	#4
UrmyboyBLUE Member Join Date: Sep 2014 Drives: 2015 Subaru BRZ "Series.Blue" Location: Cincinnati, OH Posts: 28 Thanks: 0 Thanked 9 Times in 8 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	ok thanks for the advice

10-03-2014, 10:03 PM	#8
Kronos Senior Member Join Date: May 2013 Drives: Asphalt FR-S MT Location: St. Louis MO Posts: 352 Thanks: 324 Thanked 126 Times in 82 Posts Mentioned: 5 Post(s) Tagged: 1 Thread(s)	I think it's just the fact that these headers (el or uel) are catless. Although the open flash team did mention they were able to get the best results with their uel open flash header. However I'm thinking the difference between catless el vs uel is minimal Sent from my iPhone using Tapatalk

10-08-2014, 03:02 PM	#13
s2d4 Senior Member Join Date: Mar 2013 Drives: R32 GTR, AW11 MR2 SC, GTS86 R Location: OZ Posts: 2,615 Thanks: 603 Thanked 1,223 Times in 708 Posts Mentioned: 35 Post(s) Tagged: 0 Thread(s)	who is the tuner? __________________

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