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I would definitely recommend an upgraded charge pipe considering you have perfomance mods already!
My e90 n54 blew the charge pipe on a very mild tune.
As for further upgrades you might want to consider e85 blends. I had a jb4 and was running about 40% e85 Blend and it totally changed the car for me. I'm not well versed with the giac tune but I know most other tunes integrate with e85 very well
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PE exhaust, tints...more to come
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