Do any HFCs or TPs not crack with S-Tune?
#1
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Do any HFCs or TPs not crack with S-Tune?
Hello all. Now that my warranty is up on my car I wanted to maybe change out the cats on my Z.
I have the S-Tune exhaust and after doing a bunch of research I have found that most HFCs and TPs will crack when paired with the S-Tune, or the Y-pipe will crack. I definitely do not want to risk breaking my exhaust for a few extra hp, but was wondering if a certain brand works with the S-Tune.
I would prefer a HFC to a TP as my last car had a TP and the smell got annoying over time.
Also, apparently Nissan changed the S-Tune at some point to strengthen it due to this type of cracking. Not sure if it is true but I bought my exhaust new from the dealership around the end of 2010.
Any help would be appreciated.
I have the S-Tune exhaust and after doing a bunch of research I have found that most HFCs and TPs will crack when paired with the S-Tune, or the Y-pipe will crack. I definitely do not want to risk breaking my exhaust for a few extra hp, but was wondering if a certain brand works with the S-Tune.
I would prefer a HFC to a TP as my last car had a TP and the smell got annoying over time.
Also, apparently Nissan changed the S-Tune at some point to strengthen it due to this type of cracking. Not sure if it is true but I bought my exhaust new from the dealership around the end of 2010.
Any help would be appreciated.
#4
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The brackets do seem very important so if I do get something I will make sure they have brackets.
I don't think I would ever get Megan products. Even when I had my Civic I refused, so I would definitley not put that on my Z. Any other companies make it with flex joints?
I don't think I would ever get Megan products. Even when I had my Civic I refused, so I would definitley not put that on my Z. Any other companies make it with flex joints?
#6
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I might be blind but I did not see any test pipes with flex joints on CZP. I might consider test pipes but I am wary of the rasp and also the smell.
#7
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The smell isn't as bad as you would think. If you're driving aggressively with your windows down, you might catch a whiff coming to a stop. Otherwise, you will barely notice it.
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#8
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My Civic was pretty bad, but probably worse since I needed a tune as I was running pretty rich when it was boosted. My B13 has no cat and it is also pretty bad. That car stinks!
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With the ART pipes, I barely noticed the smell, if anything it would be one in 100 drives where I would smell it.
On a side note, the ART's got me +8.17whp, +11.59tq, two runs with rather similar conditions on the same dyno.
On a side note, the ART's got me +8.17whp, +11.59tq, two runs with rather similar conditions on the same dyno.
Last edited by Suwaidi; 06-21-2014 at 07:03 PM.
#11
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So Megan is the only company to make TPs with flex pipes? If a better company made them I would buy them in a heartbeat. Any other company makes them with the flex pipes that I am missing? Decided I would go for test pipes over HFCs.
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#17
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I really do not understand why the Z33 likes to break exhausts. My Z32TT has NO play in the exhaust with 0 flex sections anywhere. 0 leaks for about 6 years.
#18
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Leave the cats on, unless the car burns oil. Did anyone see the tolerances between the oil rings and cylinder walls in the FSM? The pistons are cast and they expand pushing the rings against the walls causing them to wear prematurely, especially true since the VQ is prone to heat soak because in Japan they hate cold-start emissions - I did not know this until I saw it happen and ran without a t-stat in the summers. They changed the casting process on the HR and VHR so oil consumption is not as common. But this is problem for Toyota and even Honda, though they will never admit it.
You can see here how exhaust gets trapped at the back of almost any car. http://www.gtrblog.com/wp-content/up...tr35-2-010.jpg Probably not a good idea to sue the EPA.
Last edited by Andrei; 08-14-2014 at 06:06 PM.
#19
you should ditch the stune y-pipe. the shape and style is the same as the old de y-pipes just larger diameter which are inferior. get an xyz pipe or if you want it more muted just go with the hr y-pipe. you will get some hp as well as not have to worry about cracking test pipes / cats
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