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To those of you using TC-W3, just curious if any of you live in a state that requires smog tests. Has TC-W3 had any negative effects on passing the test? How many miles have you been adding it to your gas at fill up? I'm sure its safe in the short term but was wondering what the cumulative effects might be after using it for 50k or more miles.
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Borla axleback exhaust * mud guards * Michelin Pilot Super Sport tires * Opti-Coat * BRZ trunk lid liner * Rexpeed Wide Mirrors (heated)
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