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M150 Option - No Cats

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

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YOUR RESEARCHM150 Option - No Cats

Leading reported evidence

Run car

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Performed · outcome unconfirmed · Original poster

I run my car on 98RON flawlessly.

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M150 Option - No Cats
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Leading evidence: 'Run car' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Run car' (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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Use leaded fuel

Performed · outcome unconfirmed

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 performed work without a confirmed outcome
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.

Performed · outcome unconfirmed

SA used leaded fuel then.

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M150 Option - No Cats
Frequently discussed actions (2)

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Run car

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that performed work without a confirmed outcome
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.

Performed · outcome unconfirmed · Original poster

I run my car on 98RON flawlessly.

Original post Read captured discussion
M150 Option - No Cats

Use leaded fuel

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that performed work without a confirmed outcome
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.

Performed · outcome unconfirmed

SA used leaded fuel then.

Original post Read captured discussion
M150 Option - No Cats
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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.

7 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: 20261026T072535Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

Hello all I have a '97 996 C2, which has the option 150 "runs on leaded fuel - no catalysts". I run my car on 98RON flawlessly. Has anyone any knowledge of this option, and does it give me any more power over the standard 300hp?

POST 2Original post

OP - That�s interesting. What is your build month/year? I wonder why the car was optioned for �dirty� gas? Was it originally a Gulf car? On the 993 the cats were physically there, but hollow. Do you have cats? Do you have the different filler neck? As far as power the exhaust flow is less restricted, so a touch more grunt. The 98 fuel is where you get a horsepower bump. A leaded gas M150 M96 is a very unusual option.

POST 3 / ORIGINAL POSTEROriginal post

10/97 build and a South African car. I do believe it came with hollow cats but they are no longer on the car. It is also had the Fister mod. It is loud.

POST 4Original post

Quotes source post: 19803426

That makes sense. SA used leaded fuel then.

POST 5Original post

Yes 9NEIN6, You can found a lot of country with No Cat, I see 964, 993 and 996 without cat, The 964 and 993 dont have any O2 sensor, may be more hp... with the 993 you can get the more hp engine and always the more short G50, the 993 C2 with the G5021.

POST 6 / ORIGINAL POSTEROriginal post

I didn't know that, thanks trevi1.

POST 7Original post

Never heard of this option but interesting that Porsche addressed leaded fuel markets with this option. Rich

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