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Discussion summary
YOUR RESEARCHLost tail pipe! Advice needed.
Leading reported evidence
Tighten pulls them together and creates a seal
Performed · outcome unconfirmed
No successful repair reported for this finding.
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1
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Performed · outcome unconfirmed
The exhaust clamp fits over both parts and when tightened pulls them together and creates a seal.
Leading evidence: 'Tighten pulls them together and creates a seal' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'clamp has gone (if i put my foot' (1 discussions; 0 report identifying it and 1 suggest it). The most frequently discussed action is 'Replace exhaust manifolds and gaskets' (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.
Source reports, not a diagnosis or a success probability. Counts refer to discussions and can overlap.
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Discussions that performed work without a confirmed outcome
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Performed · outcome unconfirmed
I used hi temp grease to prevent future corrosion.
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 suspect a cause
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Suspected cause · Original poster
996 Forum - 996 C4S - Correct tail pipe clamp - Hi all, My nearside tail pipe is rattling and I suspect the clamp has gone (if I put my foot on it, the rattle goes).
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
My winter job is to change the exhaust manifolds and gaskets, then redo app the clamps and brackets.
These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.
clamp has gone (if i put my foot
No successful repair reported for this finding.
0
Identified cause
1
Suspected cause
0
Reported fixes
Read evidence and context
Discussions that suspect a cause
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.
Suspected cause · Original poster
996 Forum - 996 C4S - Correct tail pipe clamp - Hi all, My nearside tail pipe is rattling and I suspect the clamp has gone (if I put my foot on it, the rattle goes).
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.
911uk: 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: 20261027T003124Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
I lost my tail pipe last week on the way home from work. Wonder if I hit a pothole and the fixing was loose. Hopefully no major damage was done to other vehicles..
I've got a 996 C4S and the price of a new one (together with elbow pipe) is astronomical as you might expect. I've managed to source a pair 2nd hand but I could do with some advice about fixings.
I've photographed the two ends that I need to connect (designtek silencer end and replacement tail pipe end). Does this look right?
I note that the tail pipe end partially slides over the silencer end, should it go inside?
Do you know what clamp I need to join these? Presumably this one (99611110800) although I'm not sure how it would provide a clamp without cracking the metal.
I also need to find the bracket that the tail pipe hooks onto although I might be able to improvise this one.
Thanks again,
David
That looks about right, the exhaust tip part simply butts up to the 'cone' shaped part of the back box silencer. The exhaust clamp fits over both parts and when tightened pulls them together and creates a seal. I used hi temp grease to prevent future corrosion. It's a bit of a fiddle but does work.
Great. Thanks for the reply, I've ordered the two items from Design 911 for £25.
The clamp/bracket that the tail pipe needs to hang on is this I think:
99951108700
Still surprised that both managed to fail when I lost my old one! I wonder whether the bracket was missing (seems quite common) and then the silencer clamp failed causing the tail pipe etc to fall off..
Just nip it up loosely and you should be able to swivel the tip around to get it in the right position. You'll need to do this so that it doesn't look like your engine mounts are sagging and everything looks symmetrical at both sides. Once in correct position, just tighten it and try moving the tip. Once you can't move the tip by hand, leave it at that.
The L shaped hanging bracket is attached to the tail pipe end. It's apparently missing in lots of cases hence not everyone is aware of it I guess.
see this
996 C4S - Correct tail pipe clamp - Rennlist - Porsche Discussion Forums
996 Forum - 996 C4S - Correct tail pipe clamp - Hi all, My nearside tail pipe is rattling and I suspect the clamp has gone (if I put my foot on it, the rattle goes). It's this model with the access hole underneath for the clamp -...
rennlist.com
After 20 years much of the exhaust has had it's day on these cars. My winter job is to change the exhaust manifolds and gaskets, then redo app the clamps and brackets. This will no doubt lead to a few snapped bolts and a jig plus drilling.
A tailpipe falling off might be a bit gutting initially, but the remedy is at least straightforward!
Well you learn something everyday. My C4S has the brackets on the tailpipe extensions but I never knew that these were mean't to be clamped back onto the exhaust! I'll get some clamps and do mine ASAP.
You can lead a horse to water..............................
You seem to have highlighted 3 different cars in photos, not that easy for the correct answer Im afraid
