Any interest in a group buy on mid length header downpipe combos?
12-23-2007, 07:38 PM
#1301
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Well... threw a code today... P0420 catalyst effiencieny below threshold.. Anyone else get this after the install? i haven't been driving crazy so i dunno whats up.. Anyone have input???
12-23-2007, 08:11 PM
#1303
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never had it come on..drove the car 2 days and never came on,and found someone local with hp tuners and had them delete that code and the lean intake code,as well as trq managment
Last edited by Super_SS; 12-23-2007 at 08:11 PM. Reason: Automerged Doublepost
12-23-2007, 09:28 PM
#1304
your o2 sensor is programmed for the stock air flow, and now that it's seeing more air it's triggering the code. the car doesn't know that you put on a new header/dp w/a high flow. it just knows it's seeing more air. if there's no leaks or anything just delete the code.
12-23-2007, 10:26 PM
#1305
the performance shop i go to is closed,and will open monday,so im goin in the morning to buy a thicker gasket and will see if it helps..mine is barely noticed at idle,but when u get on it,u can hear a "air whistle" right under the shifter(header/downpipe connector..i will keep u informed
If your box was damaged and that dent happened because of shipping and you signed for it then you are out of luck. The reason why is because ZZP sent you a perfectly good header and it is UPS that made that mistake and you shouldn't have signed for it.
Last edited by stealthy1ss; 12-23-2007 at 10:26 PM. Reason: Automerged Doublepost
12-24-2007, 01:49 AM
#1308
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Oh and FYI, I climbed back under the car today and I know when I first installed it I tightened down those bolts between the header and DP as tight as I could get. When I got under there today, I was able to tighten them up probably another full 2-3 turns each and that got rid of the leak sound I was getting.
I don't know if the gasket shrinks/seals after it gets warmed up, but I would definitely check those bolts again and just make sure that they are as tight as possible.
I don't know if the gasket shrinks/seals after it gets warmed up, but I would definitely check those bolts again and just make sure that they are as tight as possible.
12-24-2007, 01:52 AM
#1309
Oh and FYI, I climbed back under the car today and I know when I first installed it I tightened down those bolts between the header and DP as tight as I could get. When I got under there today, I was able to tighten them up probably another full 2-3 turns each and that got rid of the leak sound I was getting.
I don't know if the gasket shrinks/seals after it gets warmed up, but I would definitely check those bolts again and just make sure that they are as tight as possible.
I don't know if the gasket shrinks/seals after it gets warmed up, but I would definitely check those bolts again and just make sure that they are as tight as possible.
12-24-2007, 09:22 AM
#1312
12-24-2007, 06:14 PM
#1314
Senior Member
ITS HERE!!!!!!!!!!!
yayyyyyyy
packaging was less than stellar, though thankfully both parts are in very good shape.
no dings or scratching.
duties were only $36 woohoo. very happy about that.
yayyyyyyy
packaging was less than stellar, though thankfully both parts are in very good shape.
no dings or scratching.
duties were only $36 woohoo. very happy about that.
12-24-2007, 10:33 PM
#1316
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Too bad i gotta wait until i get EVERYTHING else that im gonna put on this winter. Just waiting on injectors, nitrous, and meth inj. Plus my poor cobalt is sitting in the garage... so lonely
later
later
12-25-2007, 10:53 AM
#1318
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i got a cel but only cause i left my sensor off and just left the hole open for a lil bit. but i put it back and after about 15 miles it went off....either im lucky or there is something wrong with your ****
12-26-2007, 06:34 PM
#1323
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mine still sais in process on the zzp site...hasnt shipped yet...is this the case for you other guys aswell..i was only 14 on the list..i understand if they hadnt made them yet..but havnt they already been made
12-26-2007, 06:35 PM
#1324
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did you pay the extra to have it shipped earlier? If not......then you have to wait for them to ship them.....which should be shortly since they have more then 25 people in the GB now.
