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goatballs said:
What kind of HP gain can you expect? I couldn't get to the dyno results either.
Checked my wife's Jeep Liberty; 3.9 HP gain from 5000 rpm up; pretty flat up to 5000 rpm. That's a 200HP rated engine, although their dyno results show less at the wheels.

Don't know if 400 HP base equates to 7-8 HP or not.
 

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The most hp you can expect from any of the available kits for the GTO is around 10, if that.
 
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