Planet-9

2013 Porsche 991 with IPD Plenum, Fabspeed Intake, and X-Pipe

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YOUR RESEARCH2013 Porsche 991 with IPD Plenum, Fabspeed Intake, and X-Pipe

Leading reported evidence

Test ipd vs 991 plenum

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Reported fixes: 0
Unsuccessful attempts: 1
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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: 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
I remember BJR testing the IPD vs 991 plenum on the
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2013 Porsche 991 with IPD Plenum, Fabspeed Intake, and X-Pipe

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Leading evidence: 'Test ipd vs 991 plenum' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Test ipd vs 991 plenum' (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 · 2 captured posts examined · 1 partial discussions

Frequently discussed actions (1)

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Test ipd vs 991 plenum

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
I remember BJR testing the IPD vs 991 plenum on the
Original post Read captured discussion
2013 Porsche 991 with IPD Plenum, Fabspeed Intake, and X-Pipe

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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.

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

Planet-9: 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: 20261026T135432Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1Original post

The new 991 Carrera is arguably one of the sexiest Porsches to come out of Stuttgart in recent years. But there's always a way to improve even the sleekest, most powerful vehicle. This 991 came in to us for just that little bit extra to truly maximize his Porsche 's engine, courtesy of a IPD Plenum. Parts Installed: Porsche 991 S Carrera Plenum The Build Getting to the stock plenum The IPD Plenum IPD versus OEM Back together IPD loves finding ways for Porsche owners looking to elevate the already visceral Porsche driving experience to the next level. Their plenums definitely do just that and this gorgeous 991 will have some incredible fun taking advantage of it. To see more on this build, visit the gallery here! The 991 came back into our shop for a few additional upgrades: Fabspeed Intake & X-Pipe Center Muffler Bypass Fabspeed Intake Install: Original intake out New intake installed New Exhaust Old Exhaust New exhaust installed To see full install gallery click here All buttoned up until next time. We will try to make time to capture audio from the exhaust next time the customer comes by.

POST 2Original post

Any before and after dynos? I remember BJR testing the IPD vs 991 plenum on the 981 BS and the 991 plenum produced better numbers on that engine. It makes me wonder if there is any real benefit to the IPD plenum on the 991? I bet that exhaust sounds awesome now! :cheers: Patrick

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