Replace the exhaust

Bluechic · 04-16-2015, 09:54 PM

Hello there,

Sadly, Invidia exhauste on my Z got burn out and have to replace it. I was stop by the Nissan service center and they asked me $4600 to replace it to OEM, I think they also charged on CAT too. I'm planning to buy an exhauste for Invidia again but not sure for cat replacement. I talked with my buddy who has some idea about car, he told me the code PO420 which I got for SES can be occured because of O2 sensor, CAT or exhauste. How should I know what parts do I have to replace for PO420? My exhauste looks burn out (color is almost yellow) but as far as I know, lifespan for cat is quite long. Does anyone can tell me how to make a decision for it? Also, my buddy recommend me to replace O2 sensor in this time if it doesn't expensive.

wanker · 04-16-2015, 10:09 PM

CATs are designed to last a long long time. So unless you have rust issues, it should be okay. How did our exhaust get burned out? Are you running FI? Something sounds strange.

axmea? · 04-16-2015, 10:16 PM

Step 1 - drop your dealership
Step 2 - call one of the many reputable shop sponsors in the forum or AAM, Fast Intentions, Motordyne, Ark, Stillen etc.
Step 3 - take notes and decide.
Step 4 - $ave money you may stand up straight and stop bending over.

Bluechic · 04-16-2015, 10:20 PM

I don't know what FI means. Sorry. My Z has about 90k miles, I bought as used and it came with Invidia exhauste installed. So, I actually have no idea how does it burned out. I just heard it from local shop, they told me the point where cat and exhuaste are attached got cracked and color of exhauste is light brown or yellow.

MR.nismo · 04-16-2015, 10:29 PM

Stay away from the dealers. If you look in the "for sale section", someone is always selling a stock exhaust system for a fraction of what the dealer will steal from you.
As posted above, cat are designed to last a long time. I would say cats in modern vehicles have more than 9 lives. That is unless you live up north (salt/winter times) or there are crazy speed bumps in your area and you have tried to flatten those with your exhaust system.

FI = Forced induction, fuel injection, fast intentions, fags incorporated, faulty imbecile, fast intercourse and the list can go on and on.

Zbrah · 04-16-2015, 10:43 PM

You can find another exhaust and cat on the forum classified.

Parts for sale (Private Classifieds) - Nissan 370Z Forum

Zbrah · 04-16-2015, 10:45 PM

Somehow I have a feeling op is a female?

MR.nismo · 04-16-2015, 10:55 PM

Or a guy disguised as a chic...

Oh, just wait until she brings up the subject on tranny and differentials.

370Z JT · 04-16-2015, 11:22 PM

Earlier versions of the Invidia Gemini had issues with the flex pipes failing, causing exhaust leaks. Is that what you are referring too?

6spd · 04-17-2015, 07:23 AM

A code 420 is one of the most difficult and annoying trouble codes in any car system and can literally be caused by hundreds of different things. O2 sensors "sometimes" are the cause, but from my experience its not common. The only thing rear of the secondary O2 sensors that could cause a code or running problem is a blocked exhaust. If your invidia muffler is old and the glass packing inside comes apart, it can cause a restriction. Is this what you mean by it got burnt out?

Merv · 04-17-2015, 07:27 AM

I have a stock exhaust taking up room. If your interested,pm me and we can work something out. But to be honest,your best off replacing the section that has been compromised. Best of luck.

makeithappen · 04-17-2015, 07:37 AM

I have a stock exhaust and Cats for sale if you want to go back to stock. Substantially less then what you quoted haha. PM if interested OP

OEM Exhaust

jwick · 04-17-2015, 08:36 AM

Quote:

Originally Posted by Zbrah

Somehow I have a feeling op is a female?

Wrong, but oh so funny

Chuck33079 · 04-17-2015, 08:44 AM

Buy a set of used HFCs / test pipes and a used cat back. I'll bet you can have all the parts you need for under $1k. And for the love of God, never go to that dealer again. They're ripping you off big time.

bullitt5897 · 04-17-2015, 09:03 AM

Or you can buy my custom quad exhaust for half the price ($2500)! it cost us $6500 to build it! it comes with test pipes too! Everything is Vband so the install is a piece of cake and takes less than an hour... You will spend more time taking off your stock exhaust. Check it out in the for sale section.

04-16-2015, 09:54 PM	#1 (permalink)
Bluechic Base Member Join Date: Nov 2014 Location: USA Posts: 20 Drives: 10 Nissan 370Z Rep Power: 11	Replace the exhaust Hello there, Sadly, Invidia exhauste on my Z got burn out and have to replace it. I was stop by the Nissan service center and they asked me $4600 to replace it to OEM, I think they also charged on CAT too. I'm planning to buy an exhauste for Invidia again but not sure for cat replacement. I talked with my buddy who has some idea about car, he told me the code PO420 which I got for SES can be occured because of O2 sensor, CAT or exhauste. How should I know what parts do I have to replace for PO420? My exhauste looks burn out (color is almost yellow) but as far as I know, lifespan for cat is quite long. Does anyone can tell me how to make a decision for it? Also, my buddy recommend me to replace O2 sensor in this time if it doesn't expensive. Last edited by Bluechic; 04-16-2015 at 09:57 PM.

04-16-2015, 10:16 PM	#3 (permalink)
axmea? A True Z Fanatic Join Date: Apr 2012 Location: SoCal Posts: 6,240 Drives: WELL ZED PW 6MT Rep Power: 53242	Step 1 - drop your dealership Step 2 - call one of the many reputable shop sponsors in the forum or AAM, Fast Intentions, Motordyne, Ark, Stillen etc. Step 3 - take notes and decide. Step 4 - $ave money you may stand up straight and stop bending over. Merv likes this. __________________ >MyZ's Album< NISMO Convert/ECUTEK/Takeda CAI/F.I. HFC NR CB Carbon/F.I. 34 Row Oil Cooler/4.08 Final Drive /Powertrix+Swifts/Hotchkis/SPL/Whiteline/TWM/Zoom Engineering/EVO-R/AeroJacket Vented CF Fenders + CF Spoiler/Avant Garde-WORK/NST/Morimoto Halo/STi Clear Lenses/Carbon Signal Automotive/RJM Performance/ZSpeed Clutch Flywheel CSC delete

04-16-2015, 10:29 PM	#5 (permalink)
MR.nismo Enthusiast Member Join Date: Nov 2011 Location: Hackensack, NJ Age: 51 Posts: 373 Drives: 2014 Nismo Gun Metal Rep Power: 14	Stay away from the dealers. If you look in the "for sale section", someone is always selling a stock exhaust system for a fraction of what the dealer will steal from you. As posted above, cat are designed to last a long time. I would say cats in modern vehicles have more than 9 lives. That is unless you live up north (salt/winter times) or there are crazy speed bumps in your area and you have tried to flatten those with your exhaust system. FI = Forced induction, fuel injection, fast intentions, fags incorporated, faulty imbecile, fast intercourse and the list can go on and on. __________________ Sarcasm and Orgasm are about the same thing. One is good....the other is better. Last edited by MR.nismo; 04-16-2015 at 10:41 PM.

04-16-2015, 10:43 PM	#6 (permalink)
Zbrah A True Z Fanatic Join Date: May 2013 Location: The370Z.com Posts: 4,956 Drives: 370Z Rep Power: 5452	You can find another exhaust and cat on the forum classified. Parts for sale (Private Classifieds) - Nissan 370Z Forum __________________

04-16-2015, 10:45 PM	#7 (permalink)
Zbrah A True Z Fanatic Join Date: May 2013 Location: The370Z.com Posts: 4,956 Drives: 370Z Rep Power: 5452	Somehow I have a feeling op is a female? jwick likes this. __________________

04-16-2015, 10:09 PM	#2 (permalink)
wanker Enthusiast Member Join Date: Apr 2014 Location: San Diego Posts: 443 Drives: 2011 370Z S/T A7 Rep Power: 2902	CATs are designed to last a long long time. So unless you have rust issues, it should be okay. How did our exhaust get burned out? Are you running FI? Something sounds strange.

04-16-2015, 10:20 PM	#4 (permalink)
Bluechic Base Member Join Date: Nov 2014 Location: USA Posts: 20 Drives: 10 Nissan 370Z Rep Power: 11	I don't know what FI means. Sorry. My Z has about 90k miles, I bought as used and it came with Invidia exhauste installed. So, I actually have no idea how does it burned out. I just heard it from local shop, they told me the point where cat and exhuaste are attached got cracked and color of exhauste is light brown or yellow.

04-16-2015, 10:55 PM	#8 (permalink)
MR.nismo Enthusiast Member Join Date: Nov 2011 Location: Hackensack, NJ Age: 51 Posts: 373 Drives: 2014 Nismo Gun Metal Rep Power: 14	Or a guy disguised as a chic... Oh, just wait until she brings up the subject on tranny and differentials. __________________ Sarcasm and Orgasm are about the same thing. One is good....the other is better.

04-16-2015, 11:22 PM	#9 (permalink)
370Z JT A True Z Fanatic Join Date: Jan 2010 Location: United States Posts: 2,905 Drives: 370Z PW 7AT Rep Power: 379	Earlier versions of the Invidia Gemini had issues with the flex pipes failing, causing exhaust leaks. Is that what you are referring too? __________________ Click for My Journal Top Secret \| EVO-R \| Fujimura Auto \| Shine Auto \| Seibon \| MRWorks \| Swift \| SPC \| SSR \| UpRev \| Project Kics \| NST \| Titek \| Eibach \| Nismo \| Whiteline \| Quaife \| Invidia \| Fly1 \| CF Element \| Carbon Signal

04-17-2015, 07:23 AM	#10 (permalink)
6spd A True Z Fanatic Join Date: Aug 2009 Location: South Florida Posts: 3,001 Drives: Q50RS Rep Power: 25	A code 420 is one of the most difficult and annoying trouble codes in any car system and can literally be caused by hundreds of different things. O2 sensors "sometimes" are the cause, but from my experience its not common. The only thing rear of the secondary O2 sensors that could cause a code or running problem is a blocked exhaust. If your invidia muffler is old and the glass packing inside comes apart, it can cause a restriction. Is this what you mean by it got burnt out? __________________ -Jay- jonathanjamesphotographer.com

04-17-2015, 07:27 AM	#11 (permalink)
Merv Track Member Join Date: Dec 2013 Location: Vancouver B.C Posts: 518 Drives: 11 GM grey sport tou Rep Power: 15	I have a stock exhaust taking up room. If your interested,pm me and we can work something out. But to be honest,your best off replacing the section that has been compromised. Best of luck. __________________ Swift springs \| upgraded headlights \| stillen gen3 cai \| FI HFC's and FI CBE \| ecutek tune in the mail!

04-17-2015, 07:37 AM	#12 (permalink)
makeithappen Base Member Join Date: Aug 2014 Location: Ft Lauderdale, FL Posts: 75 Drives: 14 Nissan 370Z Sport Rep Power: 11	I have a stock exhaust and Cats for sale if you want to go back to stock. Substantially less then what you quoted haha. PM if interested OP OEM Exhaust __________________ 2014 370z - Invidia Gemini CBE - AAM Test Pipes - Stillen Gen 3 Intake

04-17-2015, 08:44 AM	#14 (permalink)
Chuck33079 A True Z Fanatic Join Date: Nov 2011 Location: Houston Posts: 12,265 Drives: 2011 370ztt Rep Power: 29539	Buy a set of used HFCs / test pipes and a used cat back. I'll bet you can have all the parts you need for under $1k. And for the love of God, never go to that dealer again. They're ripping you off big time. __________________ 2011 MB Touring-Sport-6sp-Nav/GTM TT/FI TT TDX/JTran/Kosmic/Eibach/Hotchkis/SPC/CSF/RPS/SoThatsWhereAllMyMoneyWent

04-17-2015, 09:03 AM	#15 (permalink)
bullitt5897 Premium Member Join Date: Jan 2009 Location: North GA Posts: 6,831 Drives: Twin Turbo Z34 Rep Power: 3683	Or you can buy my custom quad exhaust for half the price ($2500)! it cost us $6500 to build it! it comes with test pipes too! Everything is Vband so the install is a piece of cake and takes less than an hour... You will spend more time taking off your stock exhaust. Check it out in the for sale section. __________________ *Shop Cars: 2013 318whp Nismo VspecII 370z SOLD, 2009 1000hp+ 93oct 4.0L TT 370z Fast Intentions STAGE 4 #054*

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