Project Nissan Silvia: Part II
The Potato's exhaust flange was slightly different than the T25. We had to file the downpipe flange and gasket around the bottom bolt. Also, note the divider wall between the turbine exhaust and the wastegate, preventing wastegate exhaust from slamming into the turbine exhaust flow and causing additional backpressure. The wall was welded to our turbo, though production models will have it cast in.
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