Are you still planning on upgrading to a gtx kit? If so, what kit are looking at? I'm going back and forth between k04 and big turbo. It's killing me lol. Nice built btw. Sometimes I wish I got a manual instead of the DSG. That feeling has been bugging me a lot lately haha.
Today I'm going on the dyno for the current k04 build to see how we are doing. Measuring the e30 blend output and comparing it to the 93 pump. If I hit my intended 350whp/350wtq, I may just keep it this way.
But to answer your question, I was looking at either a smaller efr turbo or one of the turbos from my tuner Mabotech (m480). Before I can upgrade though, I would want to build the motor, so its going to be a slower process getting to the next stage for me. Next target power level would be 450hp, and I think that's the max I would want out of the fwd platform.
The gtx looks nice, but from my inner circle they think the BW efr is of a higher quality. I trust my guys on that stuff given their backgrounds.
K04 is the easiest bolt on and done mod you can do for this car for the quickest hp/tq gains. No need for engine work, fueling work, or a lot of auxiliary upgrades. Safe power for your stock engine. Keep that in mind when deciding, BT can get expensive very fast, as I have seen just pricing high quality turbo kits, motor building, and fueling kits. Its going to cost me at least 10k to go up meticulously upgrading to BT.
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