• Failure to follow these rules may result in your threads being locked, deleted, or moved. Depending on the severity of your actions, or frequency of your actions, your user account could be suspended or banned. These rules are to help protect both buyer and seller.


    1. CONSOLIDATE all of your for sale items into ONE thread only. This means there will be NO making multiple sales threads for different items regardless if the parts are related or not.

    2. PRICE IS REQUIRED. We do not permit ads without an asking price for each item. "Best Offer" is not an allowable substitute for posting a price. You may ask for $1 but a price must be listed regardless. If a price is not listed with in the first 24 hours of making your sale thread IT WILL BE LOCKED or DELETED. Once a price is listed a bidding war is not permitted. If the seller gets an offer that meets his asking price, the seller should honor the asking price and sell for that amount.

    3. EBAY LINKS AND OTHER LINKS. We allow links to ebay ads, but you MUST have a buy-it-now price posted, or an asking price to stop the auction in your ad here (Not just in the link). If it is from another site or from here, do not use a link but post the full text instead with pictures if you have them listed. If a BIN price is not posted, then your thread will be DELETED.

    4. CITY / STATE are required info for each ad. Information must be posted in the first post of thread, NO EXCEPTIONS. Buyers and sellers reserve the rights to privately ask for full contact information on any purchase or sale. 24 hour notice will be given, if you do not comply your post will be DELETED.

    5. NO TWO PARTY SALES. This means no more "I'm selling for a friend" posts and will be deleted immediately with no notice. Seller assumes all responsibility of anything they post for sale.

    6. NO FEELER THREADS. You are either selling it or you aren’t selling it.

    7. POST COUNT AND/OR TIME LIMIT. We are requesting that you spend some time with us before you start a For Sale thread. A pre-determined minimum number of posts will be required or 1 year since creating the account + an intro thread (just so we know you aren’t the Prince of Africa). Any for sale thread posted out of the For Sale section to circumvent the rules will result in being deleted. Those who do meet the criteria and post outside the section will have their thread moved, constant violation of this will result in an infraction.

    8. NO BUMPING OR TT’ing YOUR THREAD MORE THAN ONCE IN 48 HOURS. Don’t worry your thread will still be a bold read until a user reads it and if people are really interested they will let you know. Post warning will be issued if in violation and on the 3rd warning, the thread will just be locked.

    9. NO THREAD DUMPING OR I DON’T LIKE YOUR PRICE. Don’t post in a person’s thread just to tell them they are too high, either move along and say nothing or throw an offer to them. The person can sell it at whatever price they think someone is willing to pay. Offenders will be issued a warning, if it is a constant issue then an infraction will be issued.

    10. KEEP YOUR THREAD UP TO DATE. This is really for your benefit, so you don’t get 10 PMs asking if you still have it when you already sold it.

    11. NO WEAPONS. As Admins we have determined that no weapons will be allowed to be sold, this includes knives, guns and anything else deemed a weapon (even if its a wall hanger only). We ask that if you want to sell these items you seek out the appropriate websites elsewhere to do so.

    12. Pictures are REQUIRED. Pictures of all items for sale. This is to help BOTH seller and buyer. As a seller it is MUCH easier to sell something if you have pictures of it. As a buyer you feel better seeing exactly what you are buying. Pictures should contain the item/s for sale and a sign of some kind that has your username on it. 24 hour notice will be given, if you do not comply your post will be DELETED.

    FRAUD & RISK. Buy and Sell at your own risk. Grand Prix Forums and its staff are not responsible if someone rips you off or doesn't send parts out in a timely manner. This classifieds section is a free service for the community, and it is YOUR responsibility to handle all transactions in a low-risk method. DO NOT contact us if there is a dispute between you and someone else, we are NOT INVOLVED. You can help minimize fraud risk by doing these suggestions:

    Pay using PAYPAL, using a credit card. This way, if a part does not arrive, you can do a charge back through your credit card company. If you gift it, then you have no recourse to get your money back when things fall through. Pay the 3% and have the buyer protection. Using someone else's paypal and gifting to pay for goods is violating Paypal's Terms of Service.



    Always ask for full name, residential address, phone numbers of both buyers and sellers. An honest seller should have no problem disclosing this info to you privately.


    Shipping things C.O.D. is risky. Try to use UPS or Fedex, so that you can track shipments. Have someone sign for it if it is expensive.


    Ask for references from other members, hopefully from other members who have been registered for longer than one year and are active here.


    Use your gut feeling. If something seems too good to be true, or a seller/buyer seems a little shady, don't take the risk.

    TIPS:
    -Post pictures: with mobile phones these days and auto uploads, it’s not even really hard anymore. Have it automatically drop in Photobucket, grab the Img tag link and paste it in.

    -Give good contact information if you aren’t going to be on here a lot.

    -If you are going to disappear for an extended time (vacation, time in jail, what have you), then give us a quick note that you aren’t going to be around. People will trust you a little more.

    -Look around and gauge your price with other items. Just cause you bought it for $1000, doesn’t mean it’s now worth $1,200 or even the original $1,000. You are free to ask what ever you want, but an item that is priced right will sell quicker.
  • The site migration is complete! Hopefully everything transferred properly from the multiple decades old software we were using before. If you notice any issues please let me know, thanks! Also, I'm still working on things like chatbox, etc so hopefully those will be working in the next week or two.

WTB ZZP Catted Downpipe or U Bend Delete

chrisdaboss

New member
Hello guise, I'm looking to buy a ZZP downpipe or a ubend delete. The downpipe needs to be catted. I have a N/A 3800 so it doesn't matter if it's 2.5 inches or 3 inches. My zip code is 77505. Used or new, as long as there's no leaks or anything that'll affect it. Thanks.
 


I have a ZZP catted 2.5" DP with around 7k miles on it.
It has TWO o2 bungs, one (pre-cat) has a 'cap' in it, so you can throw a wide-band in if wanted.
This retails for $240 shipped
I could ship it to 77505 for $130.

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Wide bands are the gauges right? It wont throw a CEL if I don't have a gauge?

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A wide band reads your AFR and has nothing to do with the CEL, the cat will probably throw a CEL because its a highflow cat and you would need to get a tune so it doesn't kill your MPG or non foulers on the rear o2 to reduce flow to it.

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Got you. Let me do my inspection first and then I'll look in my area to see who does tunes if I get a CEL. When tuning is it like buying that ZZP 1.0 PCM? Or can you tune it to get rid of that cel? NOOB question. I have to find who can do tunes in my area. Most guys just focus on trucks here.

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Well tune isn't nessisary because you can get away using non foulers modified to fit the rear o2 to prevent the code and you're N/A and the tune would require you to run 91+. If the new DP throws a cat code do the non fouler trick. Use the websites search funtion and look it up

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Only if your car is 2001+ would you need to tune out the rear o2 -admittedly, on earlier cars it could set the CEL, but it wasn't until 01+ that it caused the pcm to burn extra fuel to try and 'fix' the cat problem.
 
My car is a 99. Do you know what else I'll need to buy to bolt it on? And are there really any gains to installing a DP (performance, gas mileage). Thanks.
edit: I really don't plan on doing any more mods except for a diy intake and maybe, just maybe a HV3 insert.
 
Reduces some KR which gives more power, probably a little MPG increase but I dont have one to tell you. Just be prepared to add non foulers to the o2 if the CEL comes on but because you got a 99 it shouldn't effect MPGs at all just the light.

Sent from my Galaxy Tab 3 8.0
 
Non-foulers can be bought on ebay or through almost any part store for under $10 -typically they come in a two pack.
The size of non-fouler needed is typically a special order so just know what size you need before ordering.
 


Cool. I'm going to get inspection done this pay period. I'll hit you with a message the end of the month if I'm going to buy it. No money for the prix this time.

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