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Gauging Interest: External Wastegate Header


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If you've ready my build thread, you know I've spoken with a local shop, Rawsmotion (http://www.rawsomotion.com) regarding a possible EWG header similar to the ETS header shown below, but with only one wastegate. We like the ideas of having the runners separate until the collector where the WG will tie in.

 

At this point we are just trying to see if there is any interest . He indicated that if he could move a few of these (not sure exactly how many), cost might be around $800 (ETS sells for $1250).

 

If you have any interest or questions, please post up. I'm willing to be the guinea pig for this experiment and I'll also see about getting Jake, the owner, to come on here and offer further details.

 

So it continues....

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Okay, so you've got the same design that SomeZero was running?

 

His was 1st gen mine are 2nd gen if I remember correctly. I think it was turbo placement that's different not sure or something was shortened on the header itself.

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  • 2 months later...
Aside from possibly mounting a different turbo, what would one gain from using this header over the stock one?

 

Just the ability to have an external wastegate. The runner design isn't excellent as they merge pretty quickly so the flow characteristics may not even be as good as our stocker. It's just for EWG or if you have a different flange welded on, a different turbo.

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Any updates jack? I was planning on the ets header but if rather just have 1 ewg and not have to block one off for ets. I wonder how it would sound too. This would work with a stock location turbo just to confirm right?

 

I ended up not getting this as I was able to remedy my overboost issues by porting my wastegate even more than it was from BNR. It will work with the stock turbo location. Not sure on the sound during normal driving but unless you plumb the EWG dump back into the downpipe, it will be pretty noisy when the WG opens up.

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