After installing the HFC, did anybody reinstall the brace that was holding the stock cats? I left mine off, but I don't know if it had another purpose other than supporting the stock cats.
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Stillen Gen 3 CAI / Fast Intentions HFC and CBE 12" Res. (#730) / Swift Springs / 20mm H&R Spacers / Clutch Helper Spring / UpRev Tune 322whp.
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