that will still work wtf u bithcing about..

or just get a hole saw and cut a hole..

 

it will be easier for you to modify that plate than to make one yourself. just have whoever is making your dp blow another smaller hole next to it and join the two together like a funnel. that's how the wrx dp are and they work fine. i had mine made similarly and no problems.

 

o2 housing? just use the hole in the hf manifold for the o2

 

The exhaust housing looks to be pretty deep, if the wastegate flapper can still open (max actuator length) and doesnt hit the block off plate, it will still work fine. It may pose boost creep problems later, but, at low boost settings it should be just fine. Or, as others said, just drill a hole, and run a pipe off of it, and make a stock like o2 housing/collector. The factory o2 housings really work well, since they aim downwards perfectly setup for a DP.

Jeff

 

www.summit.com sells 02 bungs. www.jegs.com also.
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I could be looking at this wrong but From the looks of the turbo. The wastegate flapper door isn't divided from the turbine. How could this be block off flange. Even if u did put that flange on u would still be getting an opening from the stock wastegate flapper if not mistaken. correct if im wrong.

 

errr, did you read all? Its already been stated that the flange is NOT a block off. (I) said it looks like a block off. Yes the flapper will open but exactly how much, i have no clue...looks pretty shallow, meaning the flapper will hit the flange with little movement.

Yo if you have the flange already check how much movement the flapper has...

 

I bet you could notch the back of the plate too for more learance. just make sure you dont go through the back of the plate. 15 min job to figure out if it works or not.