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New exhaust again...


Ink Ming
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Well a couple of the manifold studs have broken again. I have lost count of how many times this has happened now. I think this might be the 6th time. To make matters worse, the rear exhaust hangar broke causing the rear tailpipe to sag. This then caused the pipe to crack right after the muffler so now I have an exhaust leak there as well. And to top it off, the Pathy is due for inspection and maybe emissions next month (March). I think I can probably get away with the exhaust manifold since it seals up once the engine heats up, but the rest of the exhaust probably won't pass. This will be about the 5th time I have replaced the exhaust since I have owned it. I am thinking about replacing the parts myself this time round to save some $$$. Any suggestions? Anything out there that might last longer for an exhaust system?

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I was thinking about going with the headers just for the simple fact that I keep throwing money at the exhaust manifold studs. Same shop has always done the work on the manifold and studs and I have used them for several years and know the mechanics that work on it.

Just trying to decide if I just replace the current pipes or do the headers and the pipes. Reality is that last time I replaced the exhaust system I should probably spent that amount on the headers and pipes.

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Since you seem to be planning on keeping it, I cast my vote with 88's - headers back. You can do the cat-back to get it through inspection then do the headers (also suggest a high flow cat) at you convenience. Bosal makes a one piece cat-back. It was easy to install on my '92, has a nice deep tone to it and only cost $130 installed (DIY).

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What exhaust studs is your shop using? I'm assuming Nissan has abolished/discontinued the junk original studs and list a superseeding p/n. If I'm not mistaken you need the ZX 300 exhaust studs. I'm sure some one will chime in if I'm off base.

 

M

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Ok. Looks like I am definitely going to have to do something. Got on it a little last night and must have blown out a hole in the exhaust before the muffler. Truck has a nice deep throaty sound now. =)

 

What sort of cost are we looking at? I priced all this stuff out years ago and can't find anything now.

 

Patz, how much did you get the Borla for and where?

 

88 where to get the headers from and which ones? I think Thorley makes ceramic coated ones? Spent some time reading up on going this route before and just recently.

 

Then the question is where to get it all installed so I don't get bent over on price. I would do it myself, but I don't think I am going to have the time or equipment to deal with the manifold studs, plus all the headers I have installed in the past on other cars have always been a b@#ch to install. Actually threw one set across the garage once after spending an hour trying to get them on. Funny thing is after I threw them, they went on without a problem. =)

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What exhaust studs is your shop using? I'm assuming Nissan has abolished/discontinued the junk original studs and list a superseeding p/n. If I'm not mistaken you need the ZX 300 exhaust studs. I'm sure some one will chime in if I'm off base.

 

M

They have been using the 300Z studs. I just think the main problem is with an aluminum head and a cast iron manifold you are going to have problems with different cooling rates. Plus I have over 300K miles on the truck so the studs last for awhile but I have seen my fair share of them.

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Since you seem to be planning on keeping it, I cast my vote with 88's - headers back. You can do the cat-back to get it through inspection then do the headers (also suggest a high flow cat) at you convenience. Bosal makes a one piece cat-back. It was easy to install on my '92, has a nice deep tone to it and only cost $130 installed (DIY).

Animal, where did you get your exhaust from?

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Your choices are Thorleys or Pacesetters. Thorleys cost more but are nicer, the Pacesetters are cheaper but the design and quality is a bit lacking. Both are available with ceramic coating, but that adds another $100 or so to the price. Lee from L&P Performance runs the Pacesetters and loves them, though. He says to scrap the crossover pipe (y pipe) that comes with 'em and get a new one made that fits better.

 

Thorleys are available from Summit racing, Rocky-Road Outfitters, and several other places. You can get Pacesetters on Ebay all day long, just make sure you bid on the V6 ones and not a 4-cyl header.

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Next question, just confirming. Since I have an auto trans I will need to get the shop to fab the crossover/y pipe?

 

Also, looks like I will need to relocate the oil filter as well?

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i don't know about the pipe mod as i have a 5 speed tranny, but the oil filter relocation kit is a godsend! it is well worth the $48 and easy to install. :bow:

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i don't know about the pipe mod as i have a 5 speed tranny, but the oil filter relocation kit is a godsend! it is well worth the $48 and easy to install. :bow:

*snicker*... $48... heheheheh

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I have the Borla and got it for $400 from a local speed shop. I got the Thorley Ceramic coated headers from Summit for $440, but had to wait like 4 months for them.

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Ok, just so I don't miss anything when and if I get around to ordering stuff:

 

Headers

Cat back exhaust

New cat

 

Anything else I need to get?

 

Slick, I will go back an reread about the oil filter relocation kit. I installed one of these before on another car.

 

Oh, anyone know of anyone in Northern Virginia to get this exhaust installed by or are the headers a DIY but just a lot of time? Right now I am all about saving as much $$$ as possible.

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I have the Borla and got it for $400 from a local speed shop. I got the Thorley Ceramic coated headers from Summit for $440, but had to wait like 4 months for them.

Wheel, how long have you had the Borla on for? How is it holding up? I have a stainless steel exhaust system on one of my cars and it has been over a year and it looks just like the day I installed it. Where as the exhaust on the truck right now is looking pretty done for. I just need to try and figure out when I had this recent one put on. Has it been a long time or short time. Will have to dig through receipts tonight.

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I haven't really inspected it, but the tip looks like it has lost some of the coating or maybe it just needs to be polished. The Borla comes with a Million Mile Warranty so if it breaks, get it replaced!

 

I would say that I have had it installed for 2 years, but only has 10,000 miles on it at the most.

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Animal, where did you get your exhaust from?

I bought my Bosal from the parts bin. It's not SS, but held up to the elements real well for 6 months while I put off installing it. If I wasn't so cheap, I'd probably spend extra for the Borla, but I can't complain - not yet at least. :)

Edited by Animal
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The Thorleys fit the auto Pathy fine, from what we've been hearing. No mods needed.

Might be able to do this puppy myself then if there isn't any custom pipe work needed. That will definitely save me some $$$. :D

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