Quote:
Originally Posted by M.Bonanni
Yes, the HFC/Cat-Back combo made 36whp on my car. I didn't test with the stock cats.
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KK, thanks Mike! 
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SOLD MY Z MARCH 2018 - another Core OG moves on - new ride 2019 Z Corvette Grand Sport - no mods necessary but already have eyes on HFC and intakes LOL IT NEVER ENDS.
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