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Old 02-15-2012, 11:10 AM   #7
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Join Date: Dec 2008
Location: Fort Worth
Posts: 166
My Ride: 2006 350Z
If you are willing to spend the big bucks, the CSL style box plus a tune will get you the best results on the S54. If not, there is little power, if any, to really be had from intakes on the S54. If you want to have an intake but don't want to spend a few grand on a CSL style box and tune, just get the AFe or Macht Schnell intake elbow and higher flowing filter.
2006 Alpine White M3
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