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YOUR RESEARCHPorsche aero kit cars
Leading reported evidence
Use aftermarket sealed bearing of some sort
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Performed · outcome unconfirmed · Original poster
I'm sure is original price was based off of him thinking it's a true aero car but it's not, he says the Shaft bearing was done and he used a aftermarket sealed bearing of some sort but he wasnt able to show proof, the brakes in any case suck, the front bumper needs a respray.
Leading evidence: 'Use aftermarket sealed bearing of some sort' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'issue, and very possibly the wrong pads' (1 discussions; 0 report identifying it and 1 suggest it). The most frequently discussed action is 'Check option codes' (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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Suspected cause
I think the larger front calipers are more likely the issue, and very possibly the wrong pads for the street.
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Suggestion
check the option codes on it under the hood sticker , XAA for aerokit iirc
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Suggestion
The aero parts look oem to me but check the serial numbers.
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Suggestion · Original poster
How much would y'all pay for a car like this say clean history, mid 80k miles all other factors ok for a 99
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42 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
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Generation: 20261026T120458Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
I'm looking into buying a 996 to replace my 996 that was rear ended. I came across a Guards Red 996 that the owner says is a "aero package 996" is there anyway to tell if this is a true aero package car vs. A car that was just modded to look like one? During the test drive I noticed the car still had the switch for the rear spoiler yet it has a fixed spoiler unlike other 1999 c2's I've seen. Also the car has been fitted with red 6 piston brakes as part of the aero package. During the test drive I noticed to get the car to stop required more pressure then my old 996.. Is this normal? I've heard of Porsche's race cars having the same sort of braking characteristic but I don't think that's very smart for a street car. I would think that the proper way of going about modifying these brakes is a larger brake booster. Or could it be that the one in this car is on it's way out?
I'm really trying to stay away from my history of modded cars but if these options are truly from the dealer this way I could see myself buying this one as I would think it would be worth a bit more then a regular c2 later on down the line.
My '99 Carrera 4 is a factory aero kit car, and it does not have a switch for the movable rear spoiler. I don't think the aero kit has anything to do with brakes; mine has silver calipers, not red ones.
Fast996 is correct: look for the white build sticker under the front trunk lid and look for the code XAA for aero kit.
Suncoast Porsche Parts will decode the VIN and give you the original options for a car - they charge $10 for the service.
Thanks a lot!!!
In regards to the brakes.. Anyone here ever experience big brakes on these cars with the same pedel feeling? If he didn't say it was because of the brakes being 6 piston I would have said for sure the brake booster was done. If this is normal is there a upgrade for a bigger brake booster?
Mine is an aero car and it does have the spoiler switch. It has black calipers and it even had the relays in the back for the spoiler. yes it has the option code and the vin also confirms aero car when run at Porsche
To the best of my knowlege there were no USA 1999 996's with Red calipers from the factory. They could be stock repaints, Big Red's from a later model, or aftermarket. The reason the pedal pressure is higher could be the type of pads used. Street pads are more grabby than cold track pads, hence the higher required pedal pressure on the street.
Factory stock taco shell spoiler has a 996.xxx.xxx part number clearly marked on the underside of the spoiler lid on the right side (inside).
It was built as a pretty basic car. Litronics, 18" wheels, aluminum dials, shift **** and hand brake.
This doesn't necessarily mean the aero parts aren't original Porsche parts, it just means the car didn't come from the factory with them. But you would need to check them closely to find the Porsche part numbers on them.
That makes sense.. Considering the worse case senario though you think the brake booster is bad? Sorry.. bit of a newbie when it comes to upgraded brakes on these cars. Ether case I'd assume I'm now left with having to figure out where these brakes came from so I can get new pads on the car anyway.
Get a PPI done and they will tell you if the brakes are an issue, along with everything else. The aero parts look oem to me but check the serial numbers. Sharp looking car.
I would be surprised of the brake booster is bad, but it is possible. I've been a daily reader of this board for many years and can't recall anybody asking about a faultly booster. But I didn't do a search, either. I think the larger front calipers are more likely the issue, and very possibly the wrong pads for the street.
It is not unusual for "tinkerers" to add larger calipers to the front, although the track guys will tell you that is totally not necessary considering the stock brakes and pads are more than ample for anything you might do on the street or even the occasional DE event. More serious track folks will often go for more aggessive pad material for on-track time and then revert back to street pads for the trip home.
And it was a popular "tuner" mod ten years ago to go to Big Reds, mostly for the visual appeal. Red cars look even more red with Big Reds... LOL! My local dealership was hooked up with the powder coating guy in town and often sent out calipers on brand new cars for the RED treatment when that was in vogue. And they are still offered in the various catalogs.
The wheels on the car appear to be Champion 3-pc in 19". Champion Porsche sold a custom package for Carreras that looked a lot like this red car and would often add the factory aero kit parts as part of the package. Shorter springs were also part of the package and this car appears to have been lowered. One of my friends has a 2000 C2 like that.
The aero kit parts look genuine, but again, you have to verify the existence of Porsche part numbers molded into the pieces. Personally, I wouldn't worry so much about whether or not it has been modified and I would concern myself more with condition, mileage, service history, etc...
12-20K
so amny factors. It is really hard to say.
I paid 15 for mine 2 years ago with 103K and I dumped 5K in to make it right.
I think anything under 20.....
Looks like PA and it looks really familure.... Where is that?
$6500 off his original asking price is pretty aggressive and according to kbb.com, lower than the Private Party, Fair condition price. If I were the seller, I'd ask what issues you've found in the car that warrant such an offer.
In any case good luck with the negotiating.
Yeah it's very aggressive but in this economy it's worth the chance. The worse he could say is no. Realistically speaking I think we will end up somewhere slightly north of 20k. I'm buying this car for the long term. At 25 right now I would have liked to have a original aero car. Things like that would be worth more not only to me but in the long run when I'm 65 and want to sell it. Similar to a classic car of the yester years where you deal with numbers matching and decoding of vins. finding out non a/c cars are worth more then cars with a/c based on rarity etc etc so on and so forth.
I have a history of tuner modified cars. They work great when done right but at this point in time I'm really trying to steer clear of it. This car is very sharp looking though so I'll make the slight exception.
I'm sure is original price was based off of him thinking it's a true aero car but it's not, he says the Shaft bearing was done and he used a aftermarket sealed bearing of some sort but he wasnt able to show proof, the brakes in any case suck, the front bumper needs a respray. I guess we shall see what happens right?
Hard to tell from the taco wing but it looks like it is missing the "gurney lip" on the lower tier. Can you get a pic of the part # of the wing? Should say made in France.
Your Aero option is not factory as per option codes shown but maybe; 1. Dealer add on or, 2. Buyer aftermarket or buyer factory parts add on
after sale
.
The following codes apply to several different Aero options from Porsche Exclusiv. The list is confusing and conflicting, but it is what it is. Porsche are like this...
E21 - Aero Kit (Non-Turbo)
E22 - Aero Kit Turbo Model
XAA - Aero Kit 'cup' for 996
XAF - Turbo Aero Kit for 996
Y01 - Aero Kit 1, front and rear spoilers
Y02 - Aero Kit 2, Front and rear spoilers + rockers
Y75 - Aero Kit for C4S
That's the list I can find that reference all 996 models.
Car option codes shown here on sticker:
84H - Guards Red (water based paint)
AH - Full black leather interior
C02 - USA country code
X54 - Stainless steel exhaust pipes
X71 - Aluminum painted inst dials
X97 - Gear leaver ****, alum/leather
X98 - Hand brake, Alum/leather
236 - Tire brand change at manufacture
288 - Headlight washers
413 - 18 inch turbo look alloys
424 - Auto heating controls
446 - Concave caps with colored escutcheon for rims
490 - HiFi sound system
601- Litronic headlights
696 - Am/FM with CD
The other codes below these do not appear on any code sheets.
If it was an original aerokit, has good records, and looks good I would say it is a good price.
I just sold a 01 aerokit car with records back to 2004 in that price range. however it had a lot of records was garage kept and had a few upgrades and some extras that went with the car.
That car looks okay, but some documents would help and so would seeing the quality of the aero parts, the bumper cover from an aero car has about 4 different plastic trim panels by the fender wells that differ from a regular car. The factory aero rear spoiler has problems with paint bubbling on the center section, so an aftermarket one may be an improvement.
I'm not sure I understand what you mean by "true aero kit car".
As long as the parts are Porsche and the kit is complete, does it matter whether it was installed at the factory, or afterwards?
That's exactly the point I was driving at. Having a Porsche part with the part numbers visible and the installation/purchase records - it doesn't matter where it came from.
You see, this statement is BS right there. IF he spent the money required to have this bearing replaced I can tell you he would HAVE the receipt. Anyone spending this much on this car - espy this upgrade would frame the god damn receipt after what 996 owners have gone through!!!
He's treating it too flippantly as if he bought a drill bit at Home Depot and lost the receipt. Failing that he could point you to the people who changed it who could provide a record of proof. The reason he is selling is that he doesn't want to be the one spending the 1800-2K on the replacement. He knows proof of this claim bumps the value of this car up, so lets see if I can scam my way through a sale...
Agree with others - walk away - lots of other 996's out there.
Lawson, where did you get your spoiler? I have an 01 cab and I do want the aerokit rear spoiler. That is all I want from the Aerokit. The front bumper, if I was going to switch it, I would use the Fiberwerks, but not crazy about their rear spoiler. I saw another factory aero cab like mine, same year and everything and it had the skirt and the rear bumper had the fins on the side. Nice, but weird, but it would not make any difference to the downforce according to another thread.
The other one thing that I am looking for that I notice that car had was - the rear bumper guard pads were covered with a fiberglass or sometype of paintable polyurethane cap that matched the color of the car . This car looked better than the 997 cabs around it. Appreciate the help. Good thread.
