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Anyone recognize these pipes?

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

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YOUR RESEARCHAnyone recognize these pipes?

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 · 5 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.

5 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: 20261026T120458Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

They came as extras with my 2004 C2 6-speed. If possible, I'd like to know what outfit made them, and are they worth saving - or possibly using.

POST 2Original post

My guess is NHP cat bypass pipes with O2 bung extenders.

POST 3 / ORIGINAL POSTEROriginal post

You nailed it in 1 - I googled " NHP cat bypass" and there they are.

POST 5Original post

To address the second part of the question (worth using): The car will be MUCH louder, will make cool rumbles when you shift at high RPM, and will cause your exhaust to smell like Tijuana during rush hour. If you're in California, going catless is sufficient justification for the environMentalists to skin you alive.

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