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Discussion Starter #1
I know I have seen it.

My driver side manifold cracked at 102,000 and had it replaced for a wonderful 980 dollars now my passenger side cat is out.

Well I am out of luck on the warranty and looking to do it myself.
The OEM part is 510 from the stealership.

I know you can put on aftermarket headers and then install your own cats.

If you could help me out with the link to the tread and who to buy header and cats.

Might as well do the whole dawm exhaust with highflow.

Also there was a step by step somewhere on how to do it and where to put the cats how far down where to put the sensor how.



Thanks.
 

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Stillen or Doug Thorley long tube headers.

Doug Thorley has a stainless version that you have to call DT direct about. The regular DTs have been reported to rust, particularly on exposure to road salt.

Berk has B-pipes with integrated cats that they are in the process of perfecting to fit.

JBA has short tube headers which require welding to install.

There are a variety of cat-back exhausts to choose from. You can hear sound clips for many of them on youtube by searching for Nissan Titan in combination with the name of the exhaust such as JBA, Flowmaster, Magnaflow, Banks, Borla, etc.

Longtube headers + Berk B-pipes + catback exhaust should be a bolt up install (once the Berk pipes are revised, which should happen very quickly).

With headers, you need to get Uprev tuning to correct the AFR. This costs $500 for the tune by email version.

You may want to get exhaust manifold to block and B-pipe gaskets from Nissan, although some people reuse the original gaskets.

Some people have custom B-pipes with cats made, often with Magnaflow 94035 cats. The rear sensors needs to go on the downstream side of the cats to avoid throwing codes. The Berk pipes have sensor extensions to further minimize the chance of throwing codes.

Install thread: http://www.titantalk.com/forums/titan-performance-modifications/93408-dt-header-installation-progress.html
 

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Discussion Starter #3 (Edited)
Looks like that will be a nice option the doug long tube headers. My question is about the berk b pipes those come with cats so I then just add on a cat back exhaust to complete the setup. I am running a bulldog tuner so do I need the UPREV.

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I had the to replace a broken, leaky manifold (driver's side), and ended up buying:

  • DT Long Tube Headers
  • Walker B-pipes
  • JBA Cat-Back
  • All new exhaust gaskets from the stealership
If you're not tight on money, I suggest throwing in new a/f sensors. I got them from Amazon for $67.00. each. That way when you get UpRev you know you're getting an accurate reading for your tune.

I installed my set up about 4 months ago, and I just got my 3rd speeding ticket. LoL, you'll find it hard to stay off the gas pedal....
 

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I had the to replace a broken, leaky manifold (driver's side), and ended up buying:

  • DT Long Tube Headers
  • Walker B-pipes
  • JBA Cat-Back
  • All new exhaust gaskets from the stealership
If you're not tight on money, I suggest throwing in new a/f sensors. I got them from Amazon for $67.00. each. That way when you get UpRev you know you're getting an accurate reading for your tune.

I installed my set up about 4 months ago, and I just got my 3rd speeding ticket. LoL, you'll find it hard to stay off the gas pedal....
How much did this cost you total? Do you have dual exhaust? Do you have a video? I would like to hear it.:eyebrow:
 

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Here's a break down of what it'll set you back:

  • 2 a/f sensors - $144.00 shipped
  • JBA Cat Back - $373.60 shipped
  • Walker b-pipes-$89.03 shipped
  • DT Long Tubes-$654.00 shipped
  • All exhaust Gaskets from Local Dealership- $100.00 +/-
You can probably save a few bucks if you buy gaskets on line, i forgot to, and had to visit my local stealership. I bought two manifold, two ring gaskets that go between the headers and the b-pipe and two gaskets for the b-pipe to jba exhaust. I also had to buy 4 bolts for the exhaust or the b-pipes..but they're all the same size, you can get them at autozone, they sell them as Import, exhaust bolts.

I did the install myself, and it sucks!!!! It took me about 10 hrs... but it saves you a good 4 to 5 hundred bucks....

I have no video, maybe I can take one this weekend; I'm going out to the desert tomorrow...Oh...and no, I have single out exhaust, no Cats, that's what the walker pipes are for, to get rid of you cats. The only complaint is the JBA muffler is not the best sounding one...I'm probably going to put my old Magnaflow in just to see how it sounds. If you plan to keep your Cats though, I hear the JBA muffler will do just fine....
 

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If you have a 2005 4x4 (4 cats) and you put on lp headers and B-pipes with integrated cats, don't you only have 2 cats now? I know alot of people on here feel that having 4 cats is overkill and/or redundant, but does anybody know if the one set is a 2 way converter and the other set is a 3 way? And maybe they need to work together to control emissions. I'm by no means a mechanic, so any info you guys can give me would be appreciated.
 
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