15 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHAnyone have a spare orange cap?
Leading reported evidence
Run of the engine in some way down the line
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
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Suggestion
By adding the orange cap to block this intake surely must interfere with design and consequently the smooth running of the engine in some way down the line.
Leading evidence: 'Run of the engine in some way down the line' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Run of the engine in some way down the line' (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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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
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Suggestion
plumbing section by the ABS fittings look for a plumbing test cap, i think 1 1/4" but could be 1 1/2".
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.
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Suggestion
If the bypass was not needed, would not the designers simply just delete the bypass hose thereby achieving a better sounding engine and therefore use less material and time on constructing the engine.
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.
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Suggestion · Original poster
I'd rather not use a shaving cream cap or purchase a silicone tube for $100 bucks from Schnell and use pvc.
These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.
Run of the engine in some way down the line
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
By adding the orange cap to block this intake surely must interfere with design and consequently the smooth running of the engine in some way down the line.
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
If the bypass was not needed, would not the designers simply just delete the bypass hose thereby achieving a better sounding engine and therefore use less material and time on constructing the engine.
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.
15 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
From what I understand Niagara plastics is no longer offering samples.
I'd rather not use a shaving cream cap or purchase a silicone tube for $100 bucks from Schnell and use pvc.
Anyone?
Any building supply , Lowes, Home Depot... plumbing section by the ABS fittings look for a plumbing test cap, i think 1 1/4" but could be 1 1/2". about a buck or two.
It would seem to me that when Porche Designers added an air bypass hose on their engine it was there for a good reason. By adding the orange cap to block this intake surely must interfere with design and consequently the smooth running of the engine in some way down the line. The mod doesnt make sense to me. If the bypass was not needed, would not the designers simply just delete the bypass hose thereby achieving a better sounding engine and therefore use less material and time on constructing the engine. I don't know what to think about some of these mods. Free for how long I wonder ??????? My engine purrs like a kitten. I think I will give this so called mod a miss.
If you want a louder sounding engine, then buy an effin motor bike.
Most people around here don't want to drive like a *****...
FYI: Learn about your car before 'guessing' what applications / devices do or don't do for a 996. First off, this device is called a 'Helmholtz Resonator Chamber'. The actual device is located inside the air box and must be removed to get the full value (extra airflow to filter surface as well as better sound). It is connected by the smaller Y pipe to the central point of the main intake pipe. The principal idea behind this device is noise cancellation using harmonic anti-sound resonance air pulses into the throttle body during cylinder induction.
Removing the resonator (most people don't even know it's there when installing the CAI pipe - looks like a rectangular box) and capping the outlet on the top of the air box allows the natural cly pulses to escape through the larger CAI pipe instead of the resonator canceling part of them out. There may be between 2hp and 5hp (extra) difference between the brands of CAI but it's main popularity is for the different engine note and for added 'volume' of sound particularity at WFO. It does not affect emissions nor harm your engine. It costs under $100 on avg and does not harm ***** cats in any way.
