I just read the general exhaust article. I just spent 145$$ to have a Flowmaster put on my car. Did I waste the $$, or is the unit better than OEM, but not as good as other after markets. Someone Please help me out...please!
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2001 Z28 M6, Flowmaster, Ported MAF, whisper lid and KNN
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2001 Z28 M6, Flowmaster, Ported MAF, whisper lid and KNN