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running catless

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THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

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YOUR RESEARCHrunning catless

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Run )

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Performed · outcome unconfirmed

On turbo cars its great to get rid of the backpressure which is why we off cat bypass pipes (which I am running).

Original post Read captured discussion
running catless
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Leading evidence: 'Run )' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Run )' (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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Compare 4 other evidence results

Run catless is pretty slim compared

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Suggestion · Original poster

to be honest the amount of pollution a car like ours makes from running catless is pretty slim compared to the crap that huge SUVs are making...and thats even when theyre running w/ cats.

Original post Read captured discussion
running catless

Run catless, is there a fix

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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.

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Suggestion · Original poster

followup question - if you do get a cel from running catless, is there a fix for it?

Original post Read captured discussion
running catless

Run sport cats rather

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Suggestion

For N/A cars you are usually better off running sport cats rather then bypasses because the cars still require some backpressure.

Original post Read captured discussion
running catless

Run w/ cats

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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.

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Suggestion · Original poster

to be honest the amount of pollution a car like ours makes from running catless is pretty slim compared to the crap that huge SUVs are making...and thats even when theyre running w/ cats.

Original post Read captured discussion
running catless
Frequently discussed actions (8)

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Run )

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0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed

On turbo cars its great to get rid of the backpressure which is why we off cat bypass pipes (which I am running).

Original post Read captured discussion
running catless

Run catless is pretty slim compared

No successful repair reported for this finding.

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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 · Original poster

to be honest the amount of pollution a car like ours makes from running catless is pretty slim compared to the crap that huge SUVs are making...and thats even when theyre running w/ cats.

Original post Read captured discussion
running catless

Run catless, is there a fix

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Discussions that contain suggestions
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0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

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Suggestion · Original poster

followup question - if you do get a cel from running catless, is there a fix for it?

Original post Read captured discussion
running catless

Run sport cats rather

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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

For N/A cars you are usually better off running sport cats rather then bypasses because the cars still require some backpressure.

Original post Read captured discussion
running catless

Run w/ cats

No successful repair reported for this finding.

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Suggestion · Original poster

to be honest the amount of pollution a car like ours makes from running catless is pretty slim compared to the crap that huge SUVs are making...and thats even when theyre running w/ cats.

Original post Read captured discussion
running catless

Run without the cel coming

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Suggestion

With our hollow cats on the 996TT our software enables you to run without the CEL coming on.

Original post Read captured discussion
running catless

Set off a

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Suggestion

Won't that set off a check engine light?

Original post Read captured discussion
running catless

Set off the enging light

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Suggestion

I do beleive you will set off the enging light..

Original post Read captured discussion
running catless
Coverage and how to read this overview

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.

11 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: 20261027T075545Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

looking to improve exhaust flow but dont want to sacrifice quiet (stock look) for performance. was wondering what your opinions were on cat bypass pipes while retaining the stock mufflers, or possibly a similar combination of catless pipes and aftermarket mufflers. ideas?

POST 2Original post

cat bypasses will make it louder, get 100 cell cats instead- fvd or cargraphics etc.

POST 3Original post

The freeflow cats are the way to go. The cats are part of the muffling effect. I'm told stock muffler with cats and headers sound like aftermarket mufflers.FYI .

POST 5Original post

Why do you want to pollute our air in search of improvements that may or may not be there? You'll find very little gains in performance from exhaust changes. The Porsche engine is pretty efficient making its power.

POST 6 / ORIGINAL POSTEROriginal post

to be honest the amount of pollution a car like ours makes from running catless is pretty slim compared to the crap that huge SUVs are making...and thats even when theyre running w/ cats.

POST 7Original post

My 964 C4 had the BnB system with out cats. I went for inspection and the guy told me the numbers were real low. These cars run clean. I do beleive you will set off the enging light..

POST 8Original post

nice who did you bypasses or did you buy them from somewhere? NO cel?

POST 9 / ORIGINAL POSTEROriginal post

followup question - if you do get a cel from running catless, is there a fix for it? like a resistor or maybe messing w/ the ecu?

POST 10Original post

Hi Guys, For N/A cars you are usually better off running sport cats rather then bypasses because the cars still require some backpressure. On turbo cars its great to get rid of the backpressure which is why we off cat bypass pipes (which I am running). With our hollow cats on the 996TT our software enables you to run without the CEL coming on. Hope this helps...

POST 11Original post

hey Evan will these fit my bbs re's FVD 362 999 00 $75 the dummy centers for bbs rims?

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