Members watching: TSP Stage 2 Flex Fuel Tune for 2017+ Honda Civic Si - 270whp / 327ft lbs!

kshawn

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davemarco

Senior Member From California
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charleswrivers

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Matthyahuw

Senior Member From Valley of the Sun AZ
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Two Step Performance

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joshhjackson2112

Senior Member From Raleigh, North Carolina
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10civics

Senior Member From civicville, IL
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d1zguy

Senior Member From VA
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2tone

Senior Member From Fort Myers, Fl
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10GenPearlSi

Old Man From Houston, Tx
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BoostedDreams

Senior Member From South East Florida
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ThatDustyFox

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whoisJSR

Member From Las Vegas, NV
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10thgencivicsi1718

New Member From Boston ma
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