OH yea I had the Box for a week when I de-snorked. It sounded OK but NO power increase. I then installed the EVO intake and the acceleration was MUCH smoother. The power seemed to be more fluid especially after 4K rpms. Later I did install a K&N filter because the Evo is paper and cheap IMHO. No MAF issues and all smiles, with that and a Cargraphic muffler my dyno sheet read 232RWHP..
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