Introducing **OFT300** - Page 12 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

EAGLE5 · 10-09-2014, 02:55 PM

I could buy this. Seriously. Will you offer install with any local shops?

Target70 · 10-09-2014, 03:05 PM

Quote:

Originally Posted by s2d4

NA builds, SC builds and turbo builds all have their differences.
Some are applicable, some aren't. Just the way it is.

Are you saying you want them to develop a turbo kit specifically around the OFH?

Think in terms of: "It would be nice If I won the lottery". "It would be nice if there were no wars". I just thought it would be nice "if the open flash header was modular and could be used for everything from NA, to super, to turbo". I understand I might as well wish my car had wings and could fly.

AdrianG · 10-09-2014, 04:00 PM

OFH could be used with a PTuning style turbo kit... Just saying.

- AdrianG

Luckrider · 10-10-2014, 12:03 AM

Quote:

Originally Posted by Shiv@Openflash

Why? It won't sound any different than a EL manifold. The turbo blades chop up the exhaust pulses and improve cylinder filling during even light load operation. More effective than any forum of exhuast pulse tuning on an NA engine.

It is exactly what @alexand3r said. Subarus are know for that boxer growl only because of the UEL header. If you look at the current SBD header design, you could simply swap the pipe orientation. Here is what I mean.

Current SBD Header:

Motor Header
Front
12 12
34 34
Back

UEL Header Design:

Motor Header
Front
12 43
34 12
Back

This would make the runner length of the front and rear cylinders different. I am not sure how it would affect the sound exactly though.

F1fletch · 10-10-2014, 12:56 AM

Shiv and team, will the 350 kit work with AT cars?
I would expect a cooler would be needed but otherwise...?

Cockatoo · 10-10-2014, 02:11 PM

@Shiv@Openflash

Does the OFT300 have an e85 option?

football751 · 10-20-2014, 02:46 PM

Quote:

Originally Posted by Luckrider

It is exactly what @alexand3r said. Subarus are know for that boxer growl only because of the UEL header. If you look at the current SBD header design, you could simply swap the pipe orientation. Here is what I mean.

Current SBD Header:

Motor Header
Front
12 12
34 34
Back

UEL Header Design:

Motor Header
Front
12 43
34 12
Back

This would make the runner length of the front and rear cylinders different. I am not sure how it would affect the sound exactly though.

I believe what Shiv is saying is that with the turbo you get the same sound with an UEL or EL, because the turbo is in the gas path. With NA or SC it makes a difference, but not with a Turbo. Though I could very well be mistaken, I believe that's what he meant.

Anh5oi · 11-05-2014, 07:30 PM

Where is the 350 kit??

ShaunNeutron · 11-12-2014, 01:08 PM

I called and asked about the OFT350 yesterday and was told I should expect to see something within the next two weeks. Fingers crossed :-)

toast · 11-18-2014, 04:47 PM

Quote:

Originally Posted by football751

I believe what Shiv is saying is that with the turbo you get the same sound with an UEL or EL, because the turbo is in the gas path. With NA or SC it makes a difference, but not with a Turbo. Though I could very well be mistaken, I believe that's what he meant.

You are correct in your interpretation of what he said, but I don't think what he said is true. If a turbo truly chops up the air enough to cover up a manifold then no turbocharged subaru (such as an STI) would have a 'boxer rumble'. And the video above shows pretty clearly the sound difference between an UEL manifold (AVO) and an equal length one.

Luckrider · 11-18-2014, 05:06 PM

Quote:

Originally Posted by toast

You are correct in your interpretation of what he said, but I don't think what he said is true. If a turbo truly chops up the air enough to cover up a manifold then no turbocharged subaru (such as an STI) would have a 'boxer rumble'. And the video above shows pretty clearly the sound difference between an UEL manifold (AVO) and an equal length one.

The problem is, this kit is sourced from a turbo supplier which was speced out by SPD. This is the same company that makes the Greddy turbo. This would require an entire redesign just to get the sound. I understand why they don't do it, but you are right, UEL obviously can be heard with a turbo.

s2d4 · 11-18-2014, 10:53 PM

Quote:

Originally Posted by Luckrider

The problem is, this kit is sourced from a turbo supplier which was speced out by SPD. This is the same company that makes the Greddy turbo. This would require an entire redesign just to get the sound. I understand why they don't do it, but you are right, UEL obviously can be heard with a turbo.

No it isn't. Good to see their marketing worked.

Luckrider · 11-18-2014, 10:59 PM

Quote:

Originally Posted by s2d4

No it isn't. Good to see their marketing worked.

Explain then.

s2d4 · 11-18-2014, 11:30 PM

Quote:

Originally Posted by Luckrider

Explain then.

@Dave-ROR

11-05-2014, 07:30 PM	#162
Anh5oi Member Join Date: Oct 2014 Drives: 13 FRS Location: Somewhere Posts: 76 Thanks: 1 Thanked 11 Times in 10 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Where is the 350 kit?? __________________ Current: FRS(Daily), Cayenne(Weekend), 1000RR(Fun), 650Maxim(Fun). Recently Sold: 13 Boxster(Crash), 08&10 335i, 08 M3, 12 A4, 97 NSX....

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10-10-2014, 02:11 PM	#160
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11-12-2014, 01:08 PM	#163
ShaunNeutron Member Join Date: Apr 2013 Drives: BRZ Limited Manual CBS Location: Charleston, SC Posts: 25 Thanks: 6 Thanked 8 Times in 5 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	I called and asked about the OFT350 yesterday and was told I should expect to see something within the next two weeks. Fingers crossed :-)

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