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-   -   New Exhaust Question (http://www.the370z.com/intake-exhaust/69788-new-exhaust-question.html)

RUFFSTUFF 04-13-2013 08:29 PM

New Exhaust Question
 
Is it normal for a new catback exhaust to drip a little water on startup where the flanges meet up?

SS_Firehawk 04-13-2013 08:56 PM

I would say that may be indicative of a leak.

SILVERKNIGHT7 04-13-2013 09:06 PM

May want to snug the bolts up a little.

RUFFSTUFF 04-14-2013 03:37 AM

That's just it... If I snug them up anymore I'll probably snap something...

m4a1mustang 04-14-2013 03:48 AM

Are you using a new gasket at each flange?

RUFFSTUFF 04-14-2013 03:52 AM

Brand new. It's a new exhaust.

m4a1mustang 04-14-2013 03:59 AM

Do all of the flanges drip? If they all do I would think they just aren't tightened enough... But then again you feel like you have them on there pretty good. If it is just one it might be a flange that's just a bit off allowing for a leak.

RUFFSTUFF 04-14-2013 04:06 AM

Right now it looks like mostly the flanges that connect to the cats and then the upstream side of the x-pipe.

RUFFSTUFF 04-14-2013 09:52 AM

Well I went and rechecked the bolts and they all are as tight as they are going to get. I think the max torque on these M10 1.25 bolts is around 70ft-lbs... well they are at least 65ft-lbs. Then I soap bubble tested all the joints and found no bubbles (bonus I would think that as the exhaust heated up, the metal would expand and seal better). Like I said before, the slight dripping only happens on cold startup, so I'm going to call it good unless someone has a good reason not to.

Thanks for all the replies!

:tiphat:

:driving:


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