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05-12-2014
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.
05-14-2014
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.
05-14-2014
Wide bands are the gauges right? It wont throw a CEL if I don't have a gauge?
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05-14-2014
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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05-14-2014
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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05-14-2014
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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05-14-2014
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.
05-14-2014
Thats what I forgot to add
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05-14-2014
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.
05-14-2014
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.
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05-14-2014
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.
05-15-2014
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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