2.0L LSJ Performance Tech 205hp Supercharged SS tuner version. 200 lb-ft of torque.

ZZP Downpipe w/cat

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Old Sep 9, 2007 | 04:22 PM
  #101  
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you'll love it man. you MIGHT get a CEL with the DP.. some do, some don't. I for one, did with the header/DP. But its nothing major, just get someone with HPT to disable your rear o2 sensor and you'll be good to go!
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Old Sep 9, 2007 | 04:23 PM
  #102  
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someone should really post up the sound clips. My wife says as long as it doesnt sound like a honda that i can get it. so i have to give sound clip proof.
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Old Sep 9, 2007 | 04:38 PM
  #103  
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Originally Posted by sensesfail99
someone should really post up the sound clips. My wife says as long as it doesnt sound like a honda that i can get it. so i have to give sound clip proof.
Good wife. She knows what cars are good and bad.
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Old Sep 9, 2007 | 10:50 PM
  #104  
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Can someone tell me if this dp needs to be a weld in or bolt in. Im away at college n my car is at home so i cant crawl under it to check. I am about to order this setup n want to get the right one.
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Old Sep 9, 2007 | 10:51 PM
  #105  
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plllease for christmas sake someone post a sound clip because I've been wanting to hear a before and after and NO ONE posts one....
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Old Sep 9, 2007 | 11:14 PM
  #106  
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heres the deal. i'll TRY my BEST to get one for you tomorrow.. lol.. i know you've been waiting for a while, elecblue. hahah.
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Old Sep 10, 2007 | 12:48 AM
  #107  
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Originally Posted by RedEcotecSS
heres the deal. i'll TRY my BEST to get one for you tomorrow.. lol.. i know you've been waiting for a while, elecblue. hahah.
oh fuckofff haha there have been like 3 threads about if and in every thread... they're like IMA GET A CLIP... and it's been like 5 months and no clip i just want to make sure it lowers my exhaust note a bit on my 2.4... is that so hard LOL
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Old Sep 10, 2007 | 01:54 AM
  #108  
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Well I could do it if you wait till Thanksgiving. I CAN make that promise.
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Old Sep 10, 2007 | 07:30 AM
  #109  
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lol. thanksgiving is a while away. i'll get ya'll one this afternoon
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Old Sep 10, 2007 | 11:05 AM
  #110  
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w00t!@ i'm exTREMELY excited aha
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Old Sep 10, 2007 | 11:08 AM
  #111  
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i am getting mine installed tomorrow professinally i really don't wanna mess with it , has anyone heard about the whisting problems from the cat ? some say you only get that if its installed wrong.
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Old Sep 10, 2007 | 11:17 AM
  #112  
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^^^^^ you usually get that if there is a leak ... which considering the bolts they send break easily. you might get a leak... less you use better bolts
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Old Sep 10, 2007 | 11:20 AM
  #113  
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Originally Posted by elecblue06
^^^^^ you usually get that if there is a leak ... which considering the bolts they send break easily. you might get a leak... less you use better bolts
i am hooking it up to my GMPP header so i am using the stock bolts so thats not an issue... i hope
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Old Sep 10, 2007 | 11:22 AM
  #114  
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Has anyone ordered/installed this header/dp combo to a stock exhaust? I need to know whether the zzp dp should be a weld in or bolt in. Can someone help me out so i can order this part??
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Old Sep 10, 2007 | 11:27 AM
  #115  
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Originally Posted by 95cam86roc
Has anyone ordered/installed this header/dp combo to a stock exhaust? I need to know whether the zzp dp should be a weld in or bolt in. Can someone help me out so i can order this part??
i havent but did u plan on the 2.5 or the 3.0 also u can PM or email ZZP and they should be able to help
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Old Sep 10, 2007 | 11:32 AM
  #116  
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I had planned on the 2.5. Then going and changing out the portion of the stock 2 1/4 piping to 2.5. I wanted to keep it at 2.5 all the way out. I haven't contacted zzp yet. I was keeping them as my last resource hoping that someone here would have an answer.
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Old Sep 10, 2007 | 11:41 AM
  #117  
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Well I don't have a video camera... so sorry guys! BUT I CAN TELL YOU IT ISN"T A HONDA!
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Old Sep 10, 2007 | 03:41 PM
  #118  
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zzp gives you the option when you place the order to select what kind of flanges you want. you can select the 2.5" bolt in which will bolt directly to the manifold nad catback.
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Old Sep 10, 2007 | 07:35 PM
  #119  
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Originally Posted by 95cam86roc
I had planned on the 2.5. Then going and changing out the portion of the stock 2 1/4 piping to 2.5. I wanted to keep it at 2.5 all the way out. I haven't contacted zzp yet. I was keeping them as my last resource hoping that someone here would have an answer.
Originally Posted by Bika
zzp gives you the option when you place the order to select what kind of flanges you want. you can select the 2.5" bolt in which will bolt directly to the manifold nad catback.
what he said you can get the 3in order it so it narrows to 2.5" and it bolts up directly to stock. a great set up. not too loud either. it is just right.

now as far a catless ..... LOL I am all about performance. do the 3" with cat.

My experience thus far. 3in catless and stock rear exhaust. it was ok not too lound but border line. I like it. but the rear exhaust cracked. so I decided to go with my plan for 3". put in a FLo-Pro and found it too loud. I sure like it but it needs to be quiter. In goes a cat to be legal and in hopes it will bring it down to a reasonable exhaust note cruising on the highway. it is just about tolerable in city cruising. stop and start sucks. I honestly enjoy the s/c more than the exhaust, but I want performance, daily driver. so the trick is finding the right balance.

I feel ZZP header, 3 inch down pipe with cat reducing to 2.5" connected to stock cat back will satisfy most. after that then go 2.5" catback system. bolts in and go. emmissions legal, improves power, reasonable cost.

hope that helps. let you know how mine ends up.
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Old Sep 11, 2007 | 04:53 PM
  #120  
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put the 2.5 dp sounds real good havent gone WOT yet but just normal driving i tall a difference plus now i got my wideband in
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Old Sep 12, 2007 | 10:54 AM
  #121  
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Originally Posted by SSBOOST
do NOT go catless, it will **** with your emissions if they check for the cat and it has been reported for low end torque loss. Just put it on or get a HF cat.
Well I went head to head with a GMS2, typhoon, ZZP midlength header with a cat down pipe, HPtuned vs my 2.8, 60 injectors, ebay intake with K&N filter, ZZP shorty header with catless down pipe and HPTUNED.

I think somthing is up with my SC possibly or I am just more free flowing. boost is very linear vs others. I do build up to 16 to 17lbs boost (depending on gear).

Anyway from a 2nc gear roll at about 25MPH I was short of a car length (running up to 1/4 mile speed) It wasnt until third gear that I pulled away. 2nd gear was fairly even. by rights I should have left him all the way. Now I am getting a cat so we shall see what change it makes with everything else being equal.

Originally Posted by elecblue06
does anyone have sound clips with the zzp combo yet??

By the way I have my sound clip on vid. then I want another with cat. I am 3" all the way though. My friend has mid length header with cat down pipe. he loves and I am partial to it too. it is the sound he wanted with out being stupid loud like my exhaust is right now. I want a clip of his and we could share that with you.

Last edited by Asphalt Assault; Sep 12, 2007 at 10:54 AM. Reason: Automerged Doublepost
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Old Sep 19, 2007 | 04:31 PM
  #122  
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hey guys i just got the zzp mid length headers with the cat back/stanless steel option/3'' dp with 2.5 bolt on exit. i talked to zzp, they told me it would be an easy hook up to my corsa tour exhaust. i get back from iraq in about 2 months. i will send pics and info with the setup when i am finished.

Last edited by ColeJJones; Sep 19, 2007 at 04:33 PM. Reason: spelling
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Old Sep 19, 2007 | 06:13 PM
  #123  
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any sound clips yet? yes i'ma *****... since this is probably my next mod.. since i've done almost everything else on my list already lol
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Old Sep 19, 2007 | 10:27 PM
  #124  
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zzp nice products but i got 3 cells lol and need a tune !!!!

2000th post lol

Last edited by Jimmys2007CobaltSS/C; Sep 19, 2007 at 10:27 PM. Reason: Automerged Doublepost
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Old Sep 20, 2007 | 10:33 AM
  #125  
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Originally Posted by ColeJJones
hey guys i just got the zzp mid length headers with the cat back/stanless steel option/3'' dp with 2.5 bolt on exit. i talked to zzp, they told me it would be an easy hook up to my corsa tour exhaust. i get back from iraq in about 2 months. i will send pics and info with the setup when i am finished.
cant wait to see it

I actually tested the theory about the catless thing losing performance (somewhat). After I installed the header/dp/HF cat I drove about 3 or so miles and the 2 bolts supplied by ZZP on the header/dp snapped and they were disconnected. The exhaust was coming out of the end of the header. It was extremely loud but when I tried to accelerate it had a minor loss of low end torque and I thought my car was fucked up for sure because of the loss of performance. I took it back to my shop at home and was relieved that it was just 2 bolts, easily replaceable. But once I hooked it back up and drove around Atlanta for a little bit it clearly gained back its low end torque and its been great ever since.

Last edited by SSBOOST; Sep 20, 2007 at 10:33 AM. Reason: Automerged Doublepost
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