12 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHNew to me 996 C4 Muffler delete
Leading reported evidence
Install muffler bypass
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
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1
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Performed · outcome unconfirmed · Original poster
Car just got shipped to me here in Miami and first thing thing this morning thanks to the guys at Caribe who installed my muffler bypass.
Leading evidence: 'Install muffler bypass' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Install muffler bypass' (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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1
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Performed · outcome unconfirmed · Original poster
I'll say this I used the car this weekend with the bypass pipes on and I'm ok with the noise.
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Suggestion
He said nothing needs replaced but if i wanted to do something he recommended doing the Fabspeed Sport Cat X-Pipe.
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 contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
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Suggestion
He said nothing needs replaced but if i wanted to do something he recommended doing the Fabspeed Sport Cat X-Pipe.
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.
12 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: 20261026T205155Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Car just got shipped to me here in Miami and first thing thing this morning thanks to the guys at Caribe who installed my muffler bypass.
Can't wait for the get out and drive.
Jaime
Miami, FL
I had a muffler shop do the fister mod instead.... I think the bypass would get old driving it 4-5 days a week... If it was like my other sport cars that got driven 3-4 times a Month then maybe.... Let me know what you think after continually driving it!
I'll say this I used the car this weekend with the bypass pipes on and I'm ok with the noise. Its kinda fun how loud it is. Now if I had to use this car everyday that would be a different story all together.
I only used mine on the weekends too and the bypass got old after a month or so. For the first couple of weeks I loved it but then it slowly got to be too much. I love loud engines, my 928 has a supercharger and no catalytics or a muffler but the 996 was way louder I got my bypass (looks just like yours) usee because the previous owner got sick of it. I think I'll be selling mine as soon as someone want to buy it. Keep your mufflers, you'll be going back to them sooner than you think.
At idle and low RPMs it sounds like crap but it start to sing near redline.
I think I am going Agency Power Mufflers or Afterhours.....
Louder than the fister mod, but not as obnoxious at bypass... I have ruled fabspeed out for me.
AP & Afterhours can both be had for around $900
I was looking at my exhaust system with my indy and all looks well. He said nothing needs replaced but if i wanted to do something he recommended doing the Fabspeed Sport Cat X-Pipe. I was asking specifically about Fabspeed and he is a dealer of Fabspeed. So as far as Fabspeed goes it sounds like that is the way to go and it is not too loud for a daily driver. Do you really gain hp by upgrading the parts of your exhaust? It also costs $2200, ouch.
http://www.fabspeed.com/porsche-996-...rt-cat-x-pipe/
I'm interested in the answer to Cheekybird's question too.
I just keep hearing that there is no real upgrade, including the 200 cat x-pipes, that will make any appreciable power benefit to the 996. And at the prices any mods cost for these cars, the difference should be appreciable!
This is a source reference. Confirm exact model applicability in the original material.
