NINJA BACKBOX SWAP FOR VORTEX
#1
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Join Date: Nov 2006
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HI, JUST FITTED THIS NINJA BACK BOX TO MY 04 STI PPP AND ITS TO QUIET FOR ME, WOULD SWAP FOR A AFTER BURNER VORTEX, MANY THANKS
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#2
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Join Date: Aug 2005
Location: 392/361 MY04 STi
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Are you planning to decat the rest of the exhaust? If so, i would hold onto it and hear it then. Way Way louder!! I only heard one louder scooby exhaust.
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