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


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Old 09-21-2018, 07:41 AM   #1
FRS2017
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Question XFORCE Unequalled-length header for Toyota 86

These new headers seem like the cheapest alternative to getting some power gain while keeping the boxer rumble. Just not sure if these are any good or am I wasting my money.

I already got a stage 1 tune at the moment and Toyota 86 GT is nice and smooth while also increasing power. The launch control is also a nice feature.

Any ideas what $400 Aus dollars will get one with nice boxer rumble.

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Old 09-21-2018, 07:57 AM   #2
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The lower end headers can be hit or miss from a quality standpoint. If money's tight, I would look for a used, higher quality header.
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Old 09-21-2018, 08:12 AM   #3
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That's one way of going about it, not a lot of second-hand stuff here in Australia in terms of car parts.

This the other alternative at about $400, but this is equal length and I hate the tinny sound that it makes.

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Old 09-21-2018, 08:14 AM   #4
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Xforce is supposed to be pretty good quality in Australia, correct?
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Old 09-21-2018, 08:18 AM   #5
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Xforce is supposed to be pretty good quality in Australia, correct?
Their middle of the road, ive heard people complain about their exhausts being really quite even the full 3"

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Old 09-21-2018, 08:33 AM   #6
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Summerwolf

Yes, they are $430 at the moment and the only one I can find at that price point and unequal length.

Birthday coming up hummmmmm

website a bit dodgy for the URL link, but it is the real thing:

https://www.sparesbox.com.au/part/xf...AaAnIIEALw_wcB
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Old 09-21-2018, 08:36 AM   #7
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The primaries are smaller than OEM, but this new X Force one is 4:1, unlike OEM 4:2:1.

The removal of the cat is a plus.

4:1 is better up top

4:2:1 apparently has better midrange.

Same for primary size, smaller is better down low, bigger up top.

Same same for secondaries

Same same for length to pipes

Oh, and collector design.

I don't know and cannot find any info on the X Force IRT R&D.

They are cheap, website says $599 though.

So, in summing up, the only power gain is most likely from removing the cat.

I may be over thinking this, I'm a few Whiskeys down.
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Old 09-21-2018, 08:42 AM   #8
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As I understand the Toyota 86 has a primary cat and a secondary card. One in the header and the other in the CAT just up near the front?

I don't want to remove the secondary CAT just to keep within the environment limit and don't want to get pulled over or found out for not CAT on my car.


[ame]https://www.youtube.com/watch?v=2tl4LLMWnmo[/ame]

[ame]https://www.youtube.com/watch?v=tTsrC5taJGs[/ame]

[ame]https://www.youtube.com/watch?v=YQSR1mwH6NM[/ame]

[ame]https://www.youtube.com/watch?v=RyApNvgmiQ4[/ame]
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Old 09-21-2018, 08:57 AM   #9
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I've got the X Force 2.5" header back now, I originally just had the X Force cat back but it still sounded stock, the additional X Force front pipe with the high flow cat gave it a good sound.

I have been contemplating their header, the EL one though.

And don't go by the sound clips on their website, their "cat back" on the website sounds louder than my over pipe back.

I would hazard to guess what they say is cat back is actually a full system.

If you do get it and get a dyno post up the graph, I'm curious on its effects IRT the torque curve.
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Old 09-21-2018, 10:37 AM   #10
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It shows on their videos about 166.9 HP at the crank, not sure of the WHP.

Looks like the next upgrade for me. I paid a guy online to create a tune file that I could write to my ECU and despite the risk, it was a good investment. I thought my engine was knocking slightly before on a 98 octane fuel, much smoother and 10-15 more power.

I am hoping a Sage 2 tune will take it further power and nicer racer sound. Then I think that be it for my tuning, supercharger looks nice but $5,000-$7,000 on it is a bit out of my budget.
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Old 09-21-2018, 10:58 AM   #11
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It shows on their videos about 166.9 HP at the crank, not sure of the WHP.

Looks like the next upgrade for me. I paid a guy online to create a tune file that I could write to my ECU and despite the risk, it was a good investment. I thought my engine was knocking slightly before on a 98 octane fuel, much smoother and 10-15 more power.

I am hoping a Sage 2 tune will take it further power and nicer racer sound. Then I think that be it for my tuning, supercharger looks nice but $5,000-$7,000 on it is a bit out of my budget.
Thats 166whp, thered have to be something seriously wrong with it if thats crank hp lol

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Old 09-21-2018, 11:07 AM   #12
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166.9 HP at the crank looked odd to me also

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Old 09-21-2018, 03:16 PM   #13
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From what I understand, there is no equal

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Old 09-21-2018, 03:45 PM   #14
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