Postby bpd1104 » Wed Jun 13, 2018 12:22 pm

I already flashed my Civic Si when I installed my air intake system and my cat back exhaust. I just installed a downpipe with high flow cat so do I need to tune it again or am I still good to go?
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Re: Reflash?

Postby KTuner » Wed Jun 13, 2018 7:19 pm

All of our tunes generally cover exhaust mods unless otherwise stated.
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