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Discussion Starter · #1 ·
Got K&N filter today in mail(autoanything.com). Now waiting for wife to arrive so i can open up hood! The Acadia stock is pretty zippy, it impresses me but, it can always have more hp :angel:. Ive read here, ecu adjusts to accomadate modifications/changes. Will this car tune itself then? I plan on replacing mid muffler with hiflo one, and Y pipe at the end. :clap: :blob:
 
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