No point in getting into a debate as to which tune makes more power.
The TSI engine has been around for quite some time in the US so this is nothing new. GIAC tunes are known to make good power when compared along side the competition.
Most tunes will most likely bump boost up to around 1 Bar so the difference in peak power will be negligible. Promising an exact power figure is just silly and misleading. Not all cars make the same power stock so they wont necessarily make the same peak power after a tune. Crap marketing on their part perhaps but also no bull****.
There is no question around the quality of the product compared to the competition if thats what you guys are getting at. GIAC has been tuning VWs for around 20 years.
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