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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.


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Old 12-01-2015, 08:37 PM   #43
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Originally Posted by FRSBRZGT86FAN View Post
it's not as simple as just welding some piping together so it fits which is probably what you get for a header that comes sub $370....
Is it now? That's odd as the few members in here who actually own it and aren't just making assumptions based off the low price price don't seem to think that.
You'd think I insulted somebody's mother in here the way people are being so defensive. I'm done with this one. Use your money as you see fit.
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Old 12-02-2015, 02:56 AM   #44
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Is it now? That's odd as the few members in here who actually own it and aren't just making assumptions based off the low price price don't seem to think that.
You'd think I insulted somebody's mother in here the way people are being so defensive. I'm done with this one. Use your money as you see fit.
https://en.wikipedia.org/wiki/Scavenging_(automotive)

https://en.wikipedia.org/wiki/Kadenacy_effect

https://en.wikipedia.org/wiki/Exhaust_manifold

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Performance headers work to increase the exhaust velocity as much as possible. One technique is tuned-length primary tubes. This technique attempts to time the occurrence of each exhaust pulse, to occur one after the other in succession while still in the exhaust system. The lower pressure tail of an exhaust pulse then serves to create a greater pressure difference between the high pressure head of the next exhaust pulse, thus increasing the velocity of that exhaust pulse.
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Many headers are also resonance tuned, to utilize the low-pressure reflected wave rarefaction pulse which can help scavenging the combustion chamber during valve overlap. This pulse is created in all exhaust systems each time a change in density occurs, such as when exhaust merges into the collector. For clarification, the rarefaction pulse is the technical term for the same process that was described above in the "head, body, tail" description. By tuning the length of the primary tubes, usually by means of resonance tuning, the rarefaction pulse can be timed to coincide with the exact moment valve overlap occurs.
A 4-1 will always, always, be inferior to a properly designed 4-2-1 header.
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Old 12-02-2015, 08:33 AM   #45
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I personally was not after the max possible hp, I wanted rumbles and whatever hp I could get in the process that would also allow me to run OFT stage 2 tunes. Haters are going to perpetuate the hate. If you care about pinching a few extra NA horsepower that a $1000 header will give you over this one then maybe this header isn't for you.
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Old 12-02-2015, 12:34 PM   #46
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I personally was not after the max possible hp, I wanted rumbles and whatever hp I could get in the process that would also allow me to run OFT stage 2 tunes. Haters are going to perpetuate the hate. If you care about pinching a few extra NA horsepower that a $1000 header will give you over this one then maybe this header isn't for you.
Oh it's more than just a few horsepower. The entire powerband is larger. The proof is in the pudding; here's a BRZ with an Ace header, Ace front pipe, E85, and a proper tune, chasing a bolted-on and tuned Nismo 370Z.

[ame="https://www.youtube.com/watch?v=GpyVx4Wu9L0"]BW13CW 10152015 - YouTube[/ame]
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Old 12-02-2015, 01:11 PM   #47
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Proof that 86's driver have more balls to floor it?
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Old 12-02-2015, 01:20 PM   #48
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I personally was not after the max possible hp, I wanted rumbles and whatever hp I could get in the process that would also allow me to run OFT stage 2 tunes. Haters are going to perpetuate the hate. If you care about pinching a few extra NA horsepower that a $1000 header will give you over this one then maybe this header isn't for you.
Your post basically states my point.

Some people just want to mod so that they can "get a few extra HP" out of the engine, no target goal in mind, just to mod the car.

Others are willing to pay more to get better R&D, customer service, support, etc. Or just want to support vendors who have provided support to this community as a whole.

Yeah, you could look at it as a bunch of pipes welded together. You can also look at an Intel CPU and ask why buy it over a much cheaper AMD CPU that could have the same performance for normal desktop 2D applications... but some want to pay a premium and help Intel pay for their $3 billion R&D budget.

In the end, if you have an expectation for the product and it's met, that's all there is to it. If your expectation includes paying more for better intangibles as I mentioned before, there is nothing wrong with it.

-alex
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Old 12-02-2015, 01:21 PM   #49
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With equal mods and swapping headers, do you really think there will be a dramatic impact with the $1000 header? A big part of it might be eliminating the cat which exists in both.
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Old 12-02-2015, 01:24 PM   #50
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Can't we all just agree to disagree?

PS.. Nice save by the Z. I thought for sure he was gonna do a 180!
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Old 12-02-2015, 01:24 PM   #51
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Originally Posted by B-R-Z View Post
With equal mods and swapping headers, do you really think there will be a dramatic impact with the $1000 header? A big part of it might be eliminating the cat which exists in both.
Yes, but you are talking about using the same car on the same dyno in the same weather conditions, doing MANY pulls to be able to conclusively determine if it will make a difference or not to the average 3rd party.

It's kind of like tires. You KNOW some tires are better than others. You hear about it, you know it. But at the end of the day, unless you are in competition, is the extra cost of these better tires worth it? Will you pay $200 each for OE Michelin Primacys, or $100 for something 95% as good from a different manufacturer?

To each their own.

-alex
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Old 12-02-2015, 01:25 PM   #52
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haha yeah that was a nice save!
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This thread got de-railed quick now it's just about Penis guitars
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Old 12-02-2015, 01:26 PM   #53
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With equal mods and swapping headers, do you really think there will be a dramatic impact with the $1000 header? A big part of it might be eliminating the cat which exists in both.
Yeah, different headers have difference characteristics. The Borla header seems to have more low end torque then something like JDL's header, which has more top end. It all depends on what you want. Personally, I wanted more low-mid range torque which is why I chose Borla's UEL. Different strokes for different folks.

http://www.ft86club.com/forums/showthread.php?t=60586
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Old 12-02-2015, 01:40 PM   #54
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I don't get why this is so complicated - if you have $1000 to spend on a header and feel it's worth it, do it. If you don't feel it's worth it, don't. If you don't have $1000 to spend on a header, but want UEL rumble and better than stock performance, spend $288. Or buy a used ACE/P&L/JDL etc header for much less. Yeah the Tsudo may not be the 'messiah' header the ACE is, but then again it's not like bolting on an ACE header will suddenly pin you to your seat either - and I'm saying this as a fan of the ACE header (or any other well designed header).
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Old 12-02-2015, 02:23 PM   #55
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Originally Posted by bfrank1972 View Post
I don't get why this is so complicated - if you have $1000 to spend on a header and feel it's worth it, do it. If you don't feel it's worth it, don't. If you don't have $1000 to spend on a header, but want UEL rumble and better than stock performance, spend $288. Or buy a used ACE/P&L/JDL etc header for much less. Yeah the Tsudo may not be the 'messiah' header the ACE is, but then again it's not like bolting on an ACE header will suddenly pin you to your seat either - and I'm saying this as a fan of the ACE header (or any other well designed header).
I have bolded the part that I agree with. Everything after that is what people don't shut up about. The unbolded part is the part that people go on and on about, trying compare the ACE (or other headers) to Tsudo (or other headers). I agree, if you don't want X header don't buy it. If you want Y header instead, buy it. But then shut up, no need to justify your purchase to anyone. Especially trying to justify it with bullshit.
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Old 12-02-2015, 02:49 PM   #56
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I have bolded the part that I agree with. Everything after that is what people don't shut up about. The unbolded part is the part that people go on and on about, trying compare the ACE (or other headers) to Tsudo (or other headers). I agree, if you don't want X header don't buy it. If you want Y header instead, buy it. But then shut up, no need to justify your purchase to anyone. Especially trying to justify it with bullshit.

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