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YOUR RESEARCHMoving on from PSE...need advice...
Leading reported evidence
Use hardware/brackets)
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No successful repair reported for this finding.
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1
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Read evidence and context
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Performed · outcome unconfirmed
I was about to pick up an used set up of Fabspeed Maxflo mufflers and installed them myself (I used all new hardware/brackets).
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Suggestion · Original poster
I'm sure I could have chased down a local muffler shop to do the repair but it was worth any extra cost to have an expert do it - they knocked it out in a couple days, their work is very clean, and the rattle is gone.
Leading evidence: 'Use hardware/brackets)' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Repair but it was worth any extra cost' (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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Performed · outcome unconfirmed
Try used, I bought a set of stock PSE mufflers on eBay from a salvage company for $1k recently.
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
I'm sure I could have chased down a local muffler shop to do the repair but it was worth any extra cost to have an expert do it - they knocked it out in a couple days, their work is very clean, and the rattle is gone.
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
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Suggestion
It's supposed to be just a little louder than stock without drone using factory cats.
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Repair but it was worth any extra cost
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
I'm sure I could have chased down a local muffler shop to do the repair but it was worth any extra cost to have an expert do it - they knocked it out in a couple days, their work is very clean, and the rattle is gone.
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.
19 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: 20261026T113718Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
My 2003 C2 has the factory sport exhaust. Recently it developed the dreaded exhaust rattle, and also when I activate the PSE button it no longer switches back and forth from "loud" to "quiet". My indy says my mufflers are shot and need to be replaced. I absolutely love the PSE growl, but replacement OEM mufflers are $4K. Has anybody switched from factory PSE to an aftermarket system (such as Fister D or Fabspeed) and gotten a similar exhaust note? I don't care if I lose the PSE button functionality during this process - all growl, all the time!
I just got the Dansk Supersound and absolutely love it. Dansk claims is 10% louder than OEM sport. Dansk is also the OEM muffler manufacturer. From what I've researched, the regular Dansk Sport is the exact same as OEM sport exhaust but thousands less.
dc-automotive can source it for you:
SPORT:
https://dc-automotive.myshopify.com/...nt=34089244558
SUPERSOUND:
https://dc-automotive.myshopify.com/...steel-polished
Just curious, did you see if you can get them repaired? Mine is doing the same thing, I don't care if it's loud all the time (that's what I want, actually), but the rocks in a coffee can rattle is killing me. I'm planning on pulling one off and seeing if a local muffler shop or welder wants to tackle it. Should save a lot of money.
A lot of times the butterfly valve is just barely open causing the rattle, it is barely open due to a leak of the vacuum diaphragm not fully opening or letting it fully close. You can disconnect the vacuum hose and safety wire it full open and it may fix the rattle. It is worth a try.
My PSE had the death rattle/chirp
the valves are spring loaded to default to open if there is no vacuum to close them
I had my welder neighbor cut the cans open, then add tack welds to the baffles and struts inside the cans
he then welded them closed - all bad noises are gone, just the glorious exhaust note is there
but BE AWARE, the cans are made out of some type of bi-metal, outer SS and inner carbon steel layer and he had fits welding the access lid he cut out back on the cans.
Fister will sell you modded boxes w/o the need to return your cores -- and they have a great reputation around here. I have no first hand experience with Fister D product as I modded my mufflers in my own shop but can speak to the exhaust note they produce which is identical. It's perfect.
I picked up a used set of Fabspeed mufflers only. It's supposed to be just a little louder than stock without drone using factory cats. I'll report back once installed.
The Fister mufflers are essentially the same sound as the valves in the open position, it is the less expensive alternative to the same exhaust note you already have. The Fabspeed Maxflo mufflers are a nice alternative if you want to try something new. A little throatier, deeper, sportier exhaust note
I sure do love my Fister mufflers on my otherwise stock '99. Fantastic note under load/higher rpm, and zero drone. Can't even tell any difference with the windows up. But sunroof/windows open, good grief! Just glorious sounding, really- couldn't be more pleased.
I have fisters now and I honestly can't tell a difference between them and an open PSE, probably because they're fundamentally the same hardware. Still quiet cruising, no drone, etc. They're a fraction of the cost of full aftermarket system too. I currently run mine with 200 cell cats because I still wanted a bit more noise. If you're 100% going aftermarket, check out M&M's hardware. Everything Ive seen from them sounded great and is made in Germany to boot. FVD Brombacher carries them and is great to work with.
I ended up tracing the rattle to the driver's side muffler, so I removed it and shipped it off to Fister for a $95 dollar repair. I'm sure I could have chased down a local muffler shop to do the repair but it was worth any extra cost to have an expert do it - they knocked it out in a couple days, their work is very clean, and the rattle is gone. Including round-trip cross-country shipping the total cost was about $180. Fister is highly recommended!
I was about to pick up an used set up of Fabspeed Maxflo mufflers and installed them myself (I used all new hardware/brackets). I love the sound... I DD my C4S and I was afraid they would be too loud but they are perfect! BTW, I removed standard mufflers that were starting to show some rust on the external seems. I am super envious of guys with the PSE! I would have gone with Fister but I got the Fabspeed's for $400 and they were slightly used!
I'm 100% happy with the sound of my Milltek exhaust. Very reasonably priced. I had to cut and bend stuff a tiny bit to get it to fit, but after that it's been smooth sailing. Very quiet when at part-throttle so I don't annoy my neighbors, but very throaty and loud at 50% throttle or more. It's nice having an exhaust you can actually hear through a helmet on the racetrack
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