Downpipes

redcivic19x

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Josh
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Oct 20, 2019
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FL
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2019 Honda Civic SI Sedan
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RV6 catted DP for me. And I was already tuned with KTuner on TSP stage 1.

no CEL and it let me retain OEM heat shield for DP which was a nice bonus considering a lot of them I believe you have to ditch the heat shield.
 

MaTtKs

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Nov 9, 2019
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Los Angeles
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2020 Civic Si Coupe
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Just to follow up, I’m two weeks into the catted PRL DP being on with no CEL.
Aaaand P0139 showed up today after the Intercooler went on. Disabled the o2 code in KTuner and moved on.
 

                           

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