I knew they were a limited run and I already read most of that G37 thread before I even bought these.. I figure, they are atleast going to give me 15 whp as their dyno runs suggested. I have no doubt they are going to give me gains, they are made well at least, the welds look very nice and clean and they have some of the largest filter openings i've ever seen (not that we need them or that it matters). And lastly, they probably saved me 2-3 lbs over the stock setup.
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