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Is it normal for a new catback exhaust to drip a little water on startup where the flanges meet up?
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04-13-2013, 08:29 PM
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#1 (permalink) |
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Base Member
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Location: GEORGIA
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Drives: 2012 370Z TOURING
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New Exhaust Question
Is it normal for a new catback exhaust to drip a little water on startup where the flanges meet up?
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2012 370Z Touring w/ NAV, Black Powdercoat, aFe Takeda CAI, Invidia Gemini Ti-tip Catback Exhaust, DVD/NAV bypass |
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04-14-2013, 03:37 AM
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#4 (permalink) |
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That's just it... If I snug them up anymore I'll probably snap something...
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2012 370Z Touring w/ NAV, Black Powdercoat, aFe Takeda CAI, Invidia Gemini Ti-tip Catback Exhaust, DVD/NAV bypass |
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04-14-2013, 03:48 AM
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#5 (permalink) |
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A True Z Fanatic
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Are you using a new gasket at each flange?
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04-14-2013, 03:52 AM
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#6 (permalink) |
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Base Member
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Brand new. It's a new exhaust.
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2012 370Z Touring w/ NAV, Black Powdercoat, aFe Takeda CAI, Invidia Gemini Ti-tip Catback Exhaust, DVD/NAV bypass |
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04-14-2013, 03:59 AM
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#7 (permalink) |
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A True Z Fanatic
Join Date: Feb 2009
Location: Northern VA
Posts: 55,385
Drives: on two wheels
Rep Power: 6962 |
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.
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04-14-2013, 04:06 AM
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#8 (permalink) |
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Base Member
Join Date: Apr 2012
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Drives: 2012 370Z TOURING
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Right now it looks like mostly the flanges that connect to the cats and then the upstream side of the x-pipe.
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2012 370Z Touring w/ NAV, Black Powdercoat, aFe Takeda CAI, Invidia Gemini Ti-tip Catback Exhaust, DVD/NAV bypass |
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04-14-2013, 09:52 AM
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#9 (permalink) |
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Base Member
Join Date: Apr 2012
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Drives: 2012 370Z TOURING
Rep Power: 13 |
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!  
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