Subaru WRX Forum

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-   -   which donut gasket do i use? (

achavez 12-29-2007 04:45 PM

which donut gasket do i use?
i have an invidia cattless downpipe and an apexi gt spec exhaust. the stock gasket off my 06 wrx seems like its goin to block some of the downpipe openin. i recently purchased a 3 inch donut gasket and it doesnt even fit into the opening on the apexi's midpipe opening where the donut gasket should fit. what do i do!?

nagyhead 12-29-2007 04:54 PM

dont use a donut gasket buy a flat 3 inch 2 bolt gasket. or use some red high temp silicone sealant.

achavez 12-30-2007 11:48 AM

thats what i have been using but i thought with the engines flexing while being reved it would cause leaks. now i know. thanks.

P.s. your wrx looks clean

nagyhead 12-30-2007 03:51 PM

2 Attachment(s)
i welded a flex joint into my downpipe, because i think it puts to much strain on the turbo if you dont have some sort of flex in there

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