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Nissan 370Z Forum (http://www.the370z.com/)
-   Intake/Exhaust (http://www.the370z.com/intake-exhaust/)
-   -   turbo xs test pipes (http://www.the370z.com/intake-exhaust/10495-turbo-xs-test-pipes.html)

XLevel 05-13-2010 01:52 AM
Quote:
Originally Posted by Iam350ZneSS (Post 534717)
Guys, I have a 2008 350Z, and just got TurboXS Test pipes. Had them installed and the make some sort of rattling sound at the connection to the Y-Pipe. Its not raspy in the exhaust note. I was wondering if anyone has some advice on what couldbe causeing the issue. The tuning shope I had it installed at tried to feed me some **** that it was the exhasut tips. Could it be the y-pipe itself or the gaskets connecting to the y-pipe?

any advice would be great.
Could be a loose bolt/nut. Could be an exhaust leak. Could be a loose O2 sensor. If they aren't competent enough to stop a simple rattle, you should take it some place else. Not trying to bash them, but if it were the tips, they could prove it to you fairly easily and also fix it. Hope this helps. :tiphat:

Iam350ZneSS 05-14-2010 07:59 AM
Quote:
Originally Posted by XLevel (Post 535627)
Could be a loose bolt/nut. Could be an exhaust leak. Could be a loose O2 sensor. If they aren't competent enough to stop a simple rattle, you should take it some place else. Not trying to bash them, but if it were the tips, they could prove it to you fairly easily and also fix it. Hope this helps. :tiphat:
Me and a buddy went through those checks and found that it was none of those. Seals were tight, gaskets were good, bolts were torqued down. We subsequently discovered that the TurboXS Test pipes have a 2.5" ID and the stock Y-pipe has a 60MM ID with a 60MM gasket. What I am thinking is that 2.5 dumping into 60MM is causeing that connection to rattle. I am going to get a 2.5ID Y-pipe and see if that will fix. What do ya'll think?

Thanks for the help.:tup:

RCZ 05-14-2010 10:07 AM
Txs makes some alright stuff, nothing too great, nothing too bad.

XLevel 05-15-2010 01:39 AM
Quote:
Originally Posted by Iam350ZneSS (Post 536955)
Me and a buddy went through those checks and found that it was none of those. Seals were tight, gaskets were good, bolts were torqued down. We subsequently discovered that the TurboXS Test pipes have a 2.5" ID and the stock Y-pipe has a 60MM ID with a 60MM gasket. What I am thinking is that 2.5 dumping into 60MM is causeing that connection to rattle. I am going to get a 2.5ID Y-pipe and see if that will fix. What do ya'll think?

Thanks for the help.:tup:
If it's a rattle, I'm not sure how a piping diameter of such small difference could possibly cause it. 60mm = 2.36" If you haven't already, use a large pry bar and put pressure on different spots in the exhaust. This should help you detect where the sound is coming from.

Iam350ZneSS 05-17-2010 03:35 PM
Quote:
Originally Posted by XLevel (Post 538156)
If it's a rattle, I'm not sure how a piping diameter of such small difference could possibly cause it. 60mm = 2.36" If you haven't already, use a large pry bar and put pressure on different spots in the exhaust. This should help you detect where the sound is coming from.
That sounds like a good idea. I am going to try that this week. Thanks a ton!!


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