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What engine upgrades and modifications are available for a 2003 A6 2.7T? Can one swap out the turbos for larger ones? Is there some sort of supercharger available? Any mod chips? What would be the maximum power attainable with any upgrades. And how much would all of this cost? Thanks for any tips. Peace
The biggest bang for your buck is a chip from APR (www.goapr.com) or GIAC. I have the APR and wow is all I can say about the chip. Thats the cheapest mod you can do, other than that you can get K04 turbos, intercooler (RS4), cat backs. But they are all very expensive. BTW you cant supercharge a turbo charged car.