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Fabspeed Exhaust installed. Somthings Wrong

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YOUR RESEARCHFabspeed Exhaust installed. Somthings Wrong

Leading reported evidence

Check every bolt and every connection

Performed · outcome unconfirmed

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Performed · outcome unconfirmed · Original poster

Ive checked every bolt and every connection.

Fabspeed Exhaust installed. Somthings Wrong
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Leading evidence: 'Check every bolt and every connection' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check every bolt and every connection' (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

Install fabspeeds were very loud

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

When first installed my fabspeeds were very loud.

Fabspeed Exhaust installed. Somthings Wrong

Install used fabspeed and said he had no rattle issues

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

my cousin installed his used fabspeed and said he had no rattle issues.

Fabspeed Exhaust installed. Somthings Wrong

Check manual

Suggestion or failed attempt

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Reported fixes
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Unsuccessful attempts
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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 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

Check your manual on the lights, you may just be rotating the switch too far or pulling it out the wrong amount and it will cause the dim light on one side as well as a tail light.

Fabspeed Exhaust installed. Somthings Wrong

Check tip connections

Suggestion or failed attempt

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 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

Go underneath and tighten everything up, be sure and check the tip connections.

Fabspeed Exhaust installed. Somthings Wrong
Frequently discussed actions (8)

These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.

Check every bolt and every connection

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

Ive checked every bolt and every connection.

Fabspeed Exhaust installed. Somthings Wrong

Check manual

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
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

Check your manual on the lights, you may just be rotating the switch too far or pulling it out the wrong amount and it will cause the dim light on one side as well as a tail light.

Fabspeed Exhaust installed. Somthings Wrong

Check tip connections

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
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

Go underneath and tighten everything up, be sure and check the tip connections.

Fabspeed Exhaust installed. Somthings Wrong

Install fabspeeds were very loud

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

When first installed my fabspeeds were very loud.

Fabspeed Exhaust installed. Somthings Wrong

Install used fabspeed and said he had no rattle issues

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

my cousin installed his used fabspeed and said he had no rattle issues.

Fabspeed Exhaust installed. Somthings Wrong

Replace of sound

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
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

The main thing I didn't like about other exhausts out there (when I heard them in person) was the total lack of change of sound when you start the car up cold and idle it versus stock.

Fabspeed Exhaust installed. Somthings Wrong

Replace with

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
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

Any suggestions on what bulbs to replace with.

Fabspeed Exhaust installed. Somthings Wrong

Use fabspeed pipes

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
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

It's one of the things that some, but not all, people have mentioned when using Fabspeed pipes.

Fabspeed Exhaust installed. Somthings Wrong
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.

31 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: 20261027T154520Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

Finally got my fabspeed maxflow mufflers installed. They sound great and pulls hard. However Iam annoyed by a terrible fluttering sound that comes at low rpm revs. Its sounds like the tips are vibrating. Any rev ends with a pplufff. Im not sure what it is but it sounds like $%%t. Any suggestions on how to make this stop.

POST 3Original post

Resonance seems right. It's one of the things that some, but not all, people have mentioned when using Fabspeed pipes. Feel for you but don't know what solution there is short of calling Fabspeed and working through some of their suggestions.

POST 4Original post

Double check to make sure nothing is against each other, as in the backside of the tips against the cats.

POST 5Original post

Sounds like something is loose, or rubbing. Go underneath and tighten everything up, be sure and check the tip connections. My new fabs sound great, I'd say zero resonance, no vibrating like you are describing. My guess would be an installation error. Fabs are the real deal, just switched from GHL. The GHL were good, but fabs sound and pull better!

POST 6Original post

mine go in on saturday, can't wait! So the claimed hp gain is real? sweet!

POST 7Original post

They def pull harder, no doubt about it, sound sweet on a C4S.

POST 8Original post

Also check to make sure that the bottom edge of the mufflers aren't resting up against the back of the bumper (where the metal heat sheild is). On one side of mine, the fit wasn't perfect and it ended up almost resting against the heat shield!

POST 9 / ORIGINAL POSTEROriginal post

Gonna go back to speed gallery this weekend and have them check it out. Hope they can do something about it. Oh what exactly is resonance? Besides this problem the car sounds friggen crazy. The thing sounds like a beast. Honestly its a little to deep. It has somewhat taken away the infamous porsche hum. Lower gears sound great but higher gears are very deep. Any suggestions on how to get a sound clip for you guys. Would love to hear your opinons. One of my right side head lamps is out. Its not completely out its just really dull. Any suggestions on what bulbs to replace with. Ive heard sylvania is pretty good.

POST 11Original post

You may be happier with GHL's, I think it may offer you a somewhat more civilized sound. Fabs do take some getting use to, not for everybody.

POST 12Original post

Love my fabspeeds! They have gotten more mellow over time however. No resonance here (and I did the install myself - with some instructive help). They are loud. The main thing I didn't like about other exhausts out there (when I heard them in person) was the total lack of change of sound when you start the car up cold and idle it versus stock. The fabspeeds made me do a double take, the rest sounded just like stock. Having said that, I can agree that they may be too loud for some, at least initially.

POST 13Original post

Something is definitely loose or not installed correctly.

POST 14Original post

Yeah, something is definitely wrong. Take it back and have them take a look at it. I can post a clip from my car if you want a comparison.. let me know

POST 15Original post

I usually take HP claims with a grain of salt but I tend to believe what Joe says. For example, the Fabspeed TT setup made more power than all the other TT exhausts , including some very famous brands. It's also interesting to me that nobody ever disputes his HP claims ,or calls him on it when he bashes the other exhaust brands on the website. So there must be something to it.

POST 16Original post

Heres a clip of my car.. Click here - Fabspeed exhaust and more... Just to give you an idea

POST 17 / ORIGINAL POSTEROriginal post

Thanks for the input guys. Evo thanks for the clip, car sounds great. Im gonna try to get a clip togethor. Im really interested in what you guys think. I just dont know how to get it get the clip on here. Can you guys help me out. Ill put one on as soon as i figure out how to do it.

POST 18Original post

I've got the fabspeed install and it does the same thing. It's less of a vibration and just about every rev ends with a fart. It sounds mostly like it could be a leak at some point in the exhaust, but it's been way too cold to check it out recently.

POST 19Original post

Check your manual on the lights, you may just be rotating the switch too far or pulling it out the wrong amount and it will cause the dim light on one side as well as a tail light. I do not understand the purpose of that feature, probably something European. As for the exhaust, I abslutely love my Cargraphics, and I installed them as well as headers myself 3 yrs ago and no issues at any speed. Will

POST 20Original post

I think Will is referring to the street parking light feature. With the ignition turned off, you can light up one side of the car to try and keep others from hitting your parked vehicle. The manual is good for this sort of little gadgets/features.

POST 21Original post

I did a DIY PSE without the electronics. No vibration. Cool "gurgle" when the engine speed slows down from high rpm's. I really wanted the Fabspeeds but couldn't pass up a great deal on new oem product. Fits perfectly. Sounds throaty and loud. Totally different from stock. But sometimes I wish I had done the muffler bypass pipes. I chickened out when a lot of boarders said muffler bypasses were way too loud. I don't know. Maybe I'll put them on my '87 911.

POST 22 / ORIGINAL POSTEROriginal post

mrhmmhmm thats a better choice of words. I couldnt figure out how to describe it. Every rev ends with a fart. Thats exactly what it sounds like. I just checked out fabspeeds maxflo muffler video for 996 and the carrera in the video slightly gives a similar fart right at the end of each rev. Maybe you guys can check it out and tell me what your opions are. Ive checked every bolt and every connection. Everthing seems ok.

POST 23Original post

Maybe they're just too loud for you, ghl might be a better bet.

POST 24Original post

jon thanks for the clip! my cousin installed his used fabspeed and said he had no rattle issues. I'm gonna buy mine now!!!!

POST 25Original post

no problem... James, i'm taking my car out of hibernation this weekend, if you want to take a look at the ssk or fabspeed let me know! We can meet up

POST 26Original post

When first installed my fabspeeds were very loud. They mellowed considerably in about 3-400 miles, and now about 2k later I love them.

POST 27Original post

I love those sounds, I don't have any mufflers! of course, I only drive my 996 a few thousand miles each year. I'd hate to travel far, but quick blasts, nothing better. Well, except for the 355!

POST 28Original post

The fabspeeds sound great like most ofl the posts here have mentioned when on throttle. However the fart sound is pretty horrible. It's only when the engine comes down from a rev.

POST 29Original post

I really don't understand what you mean by a "fart" sound, my Fabs sound fine going up or down thru the gears.

POST 31Original post

I don't know if you bought directly from Joe, or thru a distributor, but if you call Joe F. he will definietly help you solve a problem. I think that the folks that mention something loose are probably correct. I've had Fabspeeds on 2 91 Cabs; a 98 993S; a 94 Speedster and on my 02 Cab and have experienced nothing like you suggest. You will find Joe F. very helpful. www.fabspeed.com

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