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B6 K04 Stage 2+ gains?

Old 08-06-2012, 01:22 PM
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Join Date: Nov 2011
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Default B6 K04 Stage 2+ gains?

Just finished k04 installation on a 2003 a4 1.8T. The car has a 3 inch turbo back exhaust and i was wondering what kind of horsepower i should be expecting after the stage 2+ tune and injectors. I'm going to go with apr...
Old 01-02-2013, 03:08 PM
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Join Date: Aug 2011
Location: Lawrence, KS
Posts: 56

I asked APR myself what the gains would be if I were to go with the K04. This is what they told me. I have the stage 2+ set up with the Magnaflow catback exhaust.

"With your current stage 2+ setup you should be expecting around 250 hp and 280 ft-lbs of torque. If you decide to upgrade to the K04 with your current modifications, you should see around 270-280 hp and around 300 ft-lbs of torque."
Old 01-16-2013, 03:27 PM
MacValentine's Avatar
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Join Date: Dec 2012
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I was asking them about that. They said it would be better to get the stage 3 or 3+ tune if you're going with a bigger turbo. Since the stage 2+ doesn't fully utilize the bigger turbo
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