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HKS T51R
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2,732 Posts
supposedly no. because exhaust gaseses, are going straight out into the atmosphere, but im not to sure
 

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Moderator, l337 M0d3r4t0r
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12,222 Posts
put a cap on the devoce they will never know what it is for
 

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307 Posts
you wastegate is only going to open once your turbo is spooling and during your air care test they don't rev it up enough so don't worry. mine went thru with flying colors with my ddp, MAFT, and tested under 4cyl standards. The air care guy refused to believe me i had a 6 cyl :dunno:

as for your cat as long as your have one
 
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