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im getting the stillen exhaust and i was wondering does ne one think that if i put test pipes on my car instead of hfc will it be too loud. (w. the stillen exhaust)... and if ne one has any vids of a g37 w. stillen exhaust and test pipes id like to c it. thnx..
Im running test pipes with my FI exhaust and its not too loud, people are actually surprised how quite it is at idle. I wish it was a little louder, hopefully headers will fix that. I know its not stillen but hopefully it helps. Get the test pipes u'll like em