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Installed GHL mufflers this morning

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THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

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YOUR RESEARCHInstalled GHL mufflers this morning

Leading reported evidence

Replace long bolts

Performed · outcome unconfirmed

No successful repair reported for this finding.

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Unsuccessful attempts
1
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Discussions that performed work without a confirmed outcome
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Performed · outcome unconfirmed

I swapped the long bolts from top down to bottom up in case I ever need to remove the GHLs for any reason.

Installed GHL mufflers this morning
Frequently discussed work

Replace cars

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1
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Discussions that contain suggestions
1

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Suggestion

i'm changing cars, it's the reason i'm parting with mine.

Installed GHL mufflers this morning
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Leading evidence: 'Replace long bolts' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace cars' (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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Replace cars

Suggestion or failed attempt

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0
Unsuccessful attempts
1
Discussions
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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.

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

i'm changing cars, it's the reason i'm parting with mine.

Installed GHL mufflers this morning

Replace he said

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 · Original poster

A friend of mine was in the car this afternoon, and without me mentioning the change, he said that it sounded different.

Installed GHL mufflers this morning

Set 996

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

One of my friends is now considering a set for his 996.

Installed GHL mufflers this morning

Set with a lot of flexibility and extensions helped

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 · Original poster

A good ratchet set with a lot of flexibility and extensions helped!

Installed GHL mufflers this morning
Frequently discussed actions (6)

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

Replace cars

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

i'm changing cars, it's the reason i'm parting with mine.

Installed GHL mufflers this morning

Replace he said

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

A friend of mine was in the car this afternoon, and without me mentioning the change, he said that it sounded different.

Installed GHL mufflers this morning

Replace long bolts

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

I swapped the long bolts from top down to bottom up in case I ever need to remove the GHLs for any reason.

Installed GHL mufflers this morning

Set 996

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

One of my friends is now considering a set for his 996.

Installed GHL mufflers this morning

Set with a lot of flexibility and extensions helped

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

A good ratchet set with a lot of flexibility and extensions helped!

Installed GHL mufflers this morning

Use pair at a good price

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

pm me if anyone is interested in a 'lightly' used pair at a good price.

Installed GHL mufflers this morning
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.

17 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

POST 1 / ORIGINAL POSTEROriginal post

OK ... I read lots (maybe even all) of the posts on muffler installations and installed my new GHL mufflers this morning. The removal and install was a 'simple' process (as most describe) but not necessarily an 'easy' one. It was more difficult than I expected to reach the bolts and working under the car without a good lift was a PITA. The good news was that installing the new GHLs was much easier than removing the old mufflers and obviously the second side went faster than the first. A good ratchet set with a lot of flexibility and extensions helped! I considered the usual suspects (PSE, Fabspeed, GHL) and read many posts on the differences (thanks to all for the information!) I had a chance to hear PSE on several occasions (and it sounded great) but I did not have a chance to hear Fabspeed (other than on a sound clip). I did not hear GHL before ordering but chose it primarily because the owner consensus was that it was an improvement in sound over the stock muffler but not quiet as loud as PSE. The price was also 55% less than PSE which wasn't a big consideration but obviously a nice bonus. I am quite happy with the outcome and with the sound and as I understand the sound gets even better over time. I am happy to provide additional information to anyone considering GHL or PSE. Mark

POST 2Original post

Sounds great! I hope you enjoy them! i have yet to install my Fabspeeds I just bought. My shoulder went through surgery last week Friday and I tried to play with it this morning with my son as a second pair of arms (since I'm one armed ATM). It was impossible as the bolts/nuts are bit rusty and quite stuck. One handed I couldn't budge them. I'm just going to have my friend install them this week when I get an oil change.

POST 3Original post

Mark, How would you describe the sound difference between stock and the GHL system? I'm also considering the PSE and the GHL. Thanks, Bob

POST 4 / ORIGINAL POSTEROriginal post

Slightly louder when you start the car, at standing idle it is about identical, slightly louder on mild acceleration, and louder on rapid acceleration. A friend of mine was in the car this afternoon, and without me mentioning the change, he said that it sounded different. Whether you have PSE, GHL, or Fabspeed, whatever you hear (or dont hear) when driving the car is more pronounced to those outside the car. On of the guys on funcars let me drive his 996 with PSE and I thought it sounded great. However, when he was leaving, you could really hear the car roar on aceleratation. Hope this helps.

POST 5Original post

it took my GHLs about 1 week to break in and get full sound. well a deep sound. so far im ok with them i have only heard PSE's on a TT with the x50 so i don't know what other after market exhaust sound like.

POST 6Original post

I have had my GHLs on for several weeks now and love them. One of my friends is now considering a set for his 996.

POST 7Original post

How much were they without tips? I see them on their web site for $999

POST 8Original post

an added bonus--the ghl's are 16 lbs lighter than the factory mufflers! pm me if anyone is interested in a 'lightly' used pair at a good price. i'm changing cars, it's the reason i'm parting with mine.

POST 9Original post

I JUST ORDERED BY EXHAUST FROM GHL-GREAT TO DEAL WITH-I CAN HARDLY WAIT TO INSTALL-IT SOUNDS LIKE THIS SYSTEM HAD JUST THE RIGHT AMOUNT OF ADDITIONAL SOUND-THANKS TO GHL

POST 10Original post

If Porsche had installed the two "long" bolts on each muffler from the bottom up instead of the top down, installation would be a lot easier than getting to the 3 short bolts on each muffler. I swapped the long bolts from top down to bottom up in case I ever need to remove the GHLs for any reason. Steve 99 996

POST 11Original post

Another bonus with the GHLs: no interior resonance...

POST 12Original post

If I may jump in here. I don't have a 996, but I must say the sound is intoxicating on the 3.2L Boxster "S". Under deceleration you here that sweet burbling sound. Finish is aweasome. Great customer service as well...Enjoy.

POST 13 / ORIGINAL POSTEROriginal post

Has anyone tried to remove the muffler by removing the long bolts and not the bracket? This would make it a MUCH easier process.

POST 14Original post

Yes I tried just doing the two long bolts and was successful on one side, but I don't recommend it. The bolt heads are just below a body seam. With a little unsettling persuasion you can achieve some clearance, but all in all it's easier to do the three short bolts. Just be sure you install the long bolts from the bottom when you reassemble, no matter which method you use to take it apart. Steve

POST 15Original post

Can somebody please post some pictures of their GHL's with the oval tips? Thanks

POST 16Original post

Guys Do you know if you fit on a euro version of the 996 ? Best Wishes WOT

POST 17Original post

I don't think there is a difference in mufflers between the euro and US cars. So it will fit.

This is a source reference. Confirm exact model applicability in the original material.