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Need help asap! Installing MAP o2 dump on evo 9

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Old Aug 30, 2014 | 04:05 PM
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Need help asap! Installing MAP o2 dump on evo 9
I have a greddy 3 inch down pipe and the the diameter of the o2 dump is much smaller. what do I have to do? the ring gasket on the exhaust seems to not fit the o2 and is too big I think.
How do I solve this?
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Old Aug 30, 2014 | 04:13 PM
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Any pics? Trying to picture this
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Old Aug 30, 2014 | 04:18 PM
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Are you trying to connect the 02 dump directly to the downpipe or are you using the donut gasket in between?!
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Old Aug 30, 2014 | 04:19 PM
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Attached Thumbnails Need help asap! Installing MAP o2 dump on evo 9-image.jpg  
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Old Aug 30, 2014 | 04:20 PM
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The donut gasket just seems too big for the o2 dump... Won't it leak? Or am I wrong?
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Old Aug 30, 2014 | 04:24 PM
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Is there supposed to be a smaller donut gasket for the o2 dump or what? really stuck here..
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Old Aug 30, 2014 | 04:26 PM
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That's a awfully small/thin donut gasket
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Old Aug 30, 2014 | 04:28 PM
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was there a donut gasket that was supposed to come with the o2 dump?
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Old Aug 30, 2014 | 04:28 PM
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It's suppose to be a 2.5 inch Oem donut gasket that looks like the one from a invidia 02 housing which is incorrect
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Old Aug 30, 2014 | 04:32 PM
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Originally Posted by IX_MR
was there a donut gasket that was supposed to come with the o2 dump?
I reused my oem donut gasket.
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Old Aug 30, 2014 | 04:47 PM
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Wowww.. Thank you guys! I'm off to the dealer to buy the OEM gasket.
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Old Aug 30, 2014 | 04:51 PM
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Definitely reuse the oem gasket. Good luck
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Old Aug 30, 2014 | 04:54 PM
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Originally Posted by IX_MR
Wowww.. Thank you guys! I'm off to the dealer to buy the OEM gasket.
Glad to help, good luck.
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Old Aug 30, 2014 | 08:48 PM
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let us know if that fixes your problem
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Old Aug 31, 2014 | 12:56 AM
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Yep! Make sure when you install the MAP o2 dump, the donut gasket is OEM.
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