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front intake cross-over pipe

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

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YOUR RESEARCHfront intake cross-over pipe

1 matching discussions were examined; no attributable action/outcome evidence was detected. No consensus or repair conclusion is claimed.

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1 matching discussions · 2 captured posts examined · 0 partial discussions

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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.

  • Rennlist: 1 discussions

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

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

POST 1 / ORIGINAL POSTEROriginal post

I have removed the intake manifolds on my 996 C2 2002. I noticed that there is a damper inside the thick pipe (A) "behind" the intake T-pipe (B) with the throttle body on it. (there are kind of two thick pipes in parallell, one of which is the intake with the throttle body) The damper inside pipe B is connected with a vaccum activator. This vaccum activator is not connected to anything on my car. As far as I have found out, the vaccum activator is supposed to be attached to the vaccum solenoid on top of the generator. What is the function of the damper inside pipe A? Since the vaccum activator on my car is not connected, the damper never closes pipe A. What is the effect of that? Less power at full throttle? I am going to fix the hoses needed... I am just curious. Robert

POST 2Original post

Variable intake runner length/geometry to optimize power/torque at diff rpms.

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