OFH 3 vs Gruppe-S Headers.. - Page 2 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Bowen · 08-29-2016, 12:04 PM

I went with the Gruppe S header w/o the OP. I can't justify spending more money on the OP if there aren't any optimal gains or sounds from it.

JazzleSAURUS · 08-29-2016, 01:57 PM

OFH3 has the nice merger collector. In theory it should be much better with a proper tune for it.

Griever423 · 08-29-2016, 04:03 PM

You already have the OFT so personally I think the OFH is a no brainer. I was very happy with my V1 header. I did not get the chance to try the revised tune specifically for the OFH. I say go for it. It's worth the extra money.

everythingsablur · 08-29-2016, 10:26 PM

Quote:

Originally Posted by JazzleSAURUS

OFH3 has the nice merger collector. In theory it should be much better with a proper tune for it.

Aren't the OFH2 and OFH3 basically the same (and thus with the same merge collector), only that the OFH3 goes into an included over pipe via slip fit and clamps instead of gaskets and bolts?

Shiv's initial announcement thread didn't seem to indicate any other notable differences.

JazzleSAURUS · 08-29-2016, 10:39 PM

Quote:

Originally Posted by everythingsablur

Aren't the OFH2 and OFH3 basically the same (and thus with the same merge collector), only that the OFH3 goes into an included over pipe via slip fit and clamps instead of gaskets and bolts?

Shiv's initial announcement thread didn't seem to indicate any other notable differences.

http://www.openflashtablet.com/shop/...header-3-ofh3/

Check out picture 4. Sorry I'm on my phone so I can't really do a screenshot lol.

RichardJ · 08-30-2016, 01:31 PM

Thanks for the input guys.
I went with OFH in the end, it seems I have to wait 2-3 weeks for the next batch of OFH's from Asia to arrive.
Since I already have OFT, it seemed like a logical choice for me.
From my understanding, OFH3 is basically OFH2 with the integrated over-pipe. Might as well change it up while I'm at it.
Will report how it sounds and the gains I am expecting

DGM-BRZ · 08-31-2016, 05:33 AM

Last I checked(last month), the gruppe uel header was on world-wide back order.

You would of had to wait for a few months im assuming.

Once it's in stock, I'm probably going to buy it and swap out my custom header.

timmydatooth · 04-01-2017, 01:52 PM

Quote:

Originally Posted by RichardJ

Thanks for the input guys.
I went with OFH in the end, it seems I have to wait 2-3 weeks for the next batch of OFH's from Asia to arrive.
Since I already have OFT, it seemed like a logical choice for me.
From my understanding, OFH3 is basically OFH2 with the integrated over-pipe. Might as well change it up while I'm at it.
Will report how it sounds and the gains I am expecting

im getting the OFT and was alse thinking about getting the OFH3 with the overpipe as well. How do you like it so far? hows is the stage 2 tune? and what kind of catback do you have? uel headers super loud?

RichardJ · 04-01-2017, 11:18 PM

Quote:

Originally Posted by timmydatooth

im getting the OFT and was alse thinking about getting the OFH3 with the overpipe as well. How do you like it so far? hows is the stage 2 tune? and what kind of catback do you have? uel headers super loud?

Hey man. I did order the OFH3 but they had shipping issues. I changed to the JDL catless UEL header without an overpipe.

Regards to the tune- car definitely wakes up. Torque dip is filled and the car pulls smooth to redline.

I have the cheap but nice sounding Yonaka catback. Expensive headers + cheap catback = Expensive sound lol. 0 drone (used to have invidia N1), sounds very deep and I daresay exotic. Whole different world compared to an average n/a 4 banger that's loud/raspy/farty/shitty. Despite being catless in the header the car is not loud. Here's a link to the exhaust clip I posted before.
[ame="https://www.youtube.com/watch?v=SpKFlR4Rneo"]JDL UEL Sound Clip - YouTube[/ame]

timmydatooth · 04-07-2017, 04:29 PM

Quote:

Originally Posted by RichardJ

Hey man. I did order the OFH3 but they had shipping issues. I changed to the JDL catless UEL header without an overpipe.

Regards to the tune- car definitely wakes up. Torque dip is filled and the car pulls smooth to redline.

I have the cheap but nice sounding Yonaka catback. Expensive headers + cheap catback = Expensive sound lol. 0 drone (used to have invidia N1), sounds very deep and I daresay exotic. Whole different world compared to an average n/a 4 banger that's loud/raspy/farty/shitty. Despite being catless in the header the car is not loud. Here's a link to the exhaust clip I posted before.

sounds great man! which tune are you using by the way? so in the end would you recommend getting some JDL or tomei UEL headers over the OFH3?

RichardJ · 04-09-2017, 11:20 PM

Quote:

Originally Posted by timmydatooth

sounds great man! which tune are you using by the way? so in the end would you recommend getting some JDL or tomei UEL headers over the OFH3?

I'm using the OTS stage 2 tune.

Since I've never owned OFH3 before, I can't tell you what is better. Here are some points to think about though.

1. Access to this header specific tune. I have ran this tune with JDL and experienced knocking problems. Switched back to OTS. Since Shiv developed this tune using the OFH3, you can safely harness around 8whp more

2. Can't say for sure but someone claimed quality difference is in favour of JDL/Tomei.

3. JDL sounds more to the raspy side and OFH sounds more to the deeper side.

08-29-2016, 12:04 PM	#15
Bowen Powered by Crickets Join Date: Feb 2016 Drives: 14' SWP MT Limited BRZ Location: Southern Maryland Posts: 510 Thanks: 246 Thanked 212 Times in 139 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	I went with the Gruppe S header w/o the OP. I can't justify spending more money on the OP if there aren't any optimal gains or sounds from it. __________________ Build Thread / OFT Stage 2, Tomei UEL, Perrin Resonated, ST Coils, 2 Sets of Wheels, Rally Armor, TOMS Tails.

08-29-2016, 01:57 PM	#16
JazzleSAURUS Senior Member Join Date: May 2015 Drives: 15 BRZ LTD, 05 FXT Location: Western MA Posts: 1,032 Thanks: 561 Thanked 560 Times in 353 Posts Mentioned: 10 Post(s) Tagged: 0 Thread(s)	OFH3 has the nice merger collector. In theory it should be much better with a proper tune for it. __________________ SOLD: 2015 WRB BRZ Limited ('02 WRX BBS, S-04's, Stoptech Sport pads, MXP SP, AVO drop in filter, Mishimoto Intake tube, decatted header, OFT 93 Stage 2 EL Tune, Kartboy rear shifter bushing, Whiteline transmission and subframe lockout bushings, ST Coilovers, SPC Camber bolts w/smaller crash bolt, SPC LCA's & SPC Toe Arm bushings, Red TOMs, TRD Wing.)

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08-29-2016, 04:03 PM	#17
Griever423 Senior Member Join Date: Jan 2012 Drives: 2020 BRZ PP Location: DFW Posts: 219 Thanks: 146 Thanked 54 Times in 45 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	You already have the OFT so personally I think the OFH is a no brainer. I was very happy with my V1 header. I did not get the chance to try the revised tune specifically for the OFH. I say go for it. It's worth the extra money.

08-30-2016, 01:31 PM	#20
RichardJ Senior Member Join Date: Mar 2016 Drives: 15' FRS Location: Toronto Posts: 98 Thanks: 20 Thanked 47 Times in 28 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Thanks for the input guys. I went with OFH in the end, it seems I have to wait 2-3 weeks for the next batch of OFH's from Asia to arrive. Since I already have OFT, it seemed like a logical choice for me. From my understanding, OFH3 is basically OFH2 with the integrated over-pipe. Might as well change it up while I'm at it. Will report how it sounds and the gains I am expecting

08-31-2016, 05:33 AM	#21
DGM-BRZ Senior Member Join Date: May 2016 Drives: 2017 CWP STi Location: Markham Posts: 442 Thanks: 45 Thanked 64 Times in 51 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Last I checked(last month), the gruppe uel header was on world-wide back order. You would of had to wait for a few months im assuming. Once it's in stock, I'm probably going to buy it and swap out my custom header.

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