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Dyno results - header comparison

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10 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

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YOUR RESEARCHDyno results - header comparison

Leading reported evidence

Replace headers

Suggestion or failed attempt

No successful repair reported for this finding.

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Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that contain suggestions
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Suggestion

just curious...had you done anything to the computer map/chip such as Softronic tuning when you changed headers and ran dyno tests?

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Dyno results - header comparison
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Leading evidence: 'Replace headers' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace headers' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.

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1 matching discussions · 10 captured posts examined · 0 partial discussions

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Run dyno tests

Suggestion or failed attempt

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context

Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

just curious...had you done anything to the computer map/chip such as Softronic tuning when you changed headers and ran dyno tests?

Original post Read captured discussion
Dyno results - header comparison
Frequently discussed actions (2)

These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.

Replace headers

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

just curious...had you done anything to the computer map/chip such as Softronic tuning when you changed headers and ran dyno tests?

Original post Read captured discussion
Dyno results - header comparison

Run dyno tests

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

just curious...had you done anything to the computer map/chip such as Softronic tuning when you changed headers and ran dyno tests?

Original post Read captured discussion
Dyno results - header comparison
Coverage and how to read this overview

Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.

10 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

  • Rennlist: 1 discussions

0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.

0 acknowledgements have no verified action link; they do not establish a repair result.

Generation: 20261026T130754Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

For anyone that has been following my web site with an interest in the performance of the different 996 exhaust options I have experimented with - I have just updated my web site with the dyno comparisons of the stock OEM header and the low cost headers commonly available on ebay. Here is the web page, dyno link is under "What's the latest" http://www.oz951.com/public/emmy.htm

POST 2Original post

not suprising. I believe another memeber did a similar test a few years back and saw basically the same results, maybe even a few more hp lost than you saw. Thank you for the time and effort, your site is always a great resource. Andy

POST 3 / ORIGINAL POSTEROriginal post

Quotes source post: 8483731

Yeah I heard the claim of 10hp lost but never saw a dyno chart to back it up hence my wish to see it for myself.

POST 4Original post

good job..... you get what you pay for. BTW, love the website! Also, the aerokit looks great!

POST 5Original post

just curious...had you done anything to the computer map/chip such as Softronic tuning when you changed headers and ran dyno tests?

POST 6Original post

really nice website ! I wish it would be organized a little better because it is a bit hard to read now, with the multi-column layout. Still great amount of information and pictures !

POST 7Original post

Lots of good info on your site, thanks for the work!

POST 8 / ORIGINAL POSTEROriginal post

Quotes source post: 8487269

No I haven't touched the map yet, I wanted to settle on the exhaust/intake setup first. There is a guy with an excellent reputation for ECU tuning here in the UK but he is hard to get a hold of, anyway I'm planning on getting him to re-map the car interactively on his dyno. I have also added the dyno charts for flywheel HP and the AFR plots to the website.

POST 10Original post

Quotes source post: 8488947

nice... tunning will wake this car up.... especially the 3.4. Are you gonna dyno the results?

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