Catted downpipe

[AMP111]

I have a 2023 civic touring. Strongly considering a catted downpipe, any way I can turn off the check engine light if it comes on? I’m planning to buy a tuner before hand. Either k tuner or Hondata flash pro.
Thank you

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[uwg55]

I have a 2023 civic touring. Strongly considering a catted downpipe, any way I can turn off the check engine light if it comes on? I’m planning to buy a tuner before hand. Either k tuner or Hondata flash pro.
Thank you

Yeah it's pretty easy, with ktuner you go in Main Parameters -> Disables/Monitors and you check "P0420 - Catalyst Efficiency". I have no idea how to do it on hondata but I'm pretty sure it's just as easy

 

[AMP111]

Ohh alright cool! Will CEL ever come back as long as I keep my ecu in tune ?

 

[ThunderPigeon]

Get the TSP downpipe and it won't throw a code. Depending on your state you may not pass inspection with the code disabled through your tuner device.

 

[AMP111]

I live in Massachusetts, they test emissions through the obd2 port

 

[Two Step Performance]

I live in Massachusetts, they test emissions through the obd2 port

The software code disable will show up in this case and could lead to a failure depending on how strict they are.

 

[Jester04]

I live in Massachusetts, they test emissions through the obd2 port

Just get the @Two Step Performance downpipe and call it a day. 0 hassle and worry free.

 

[AMP111]

I still need to pass inspection lol I got people who may know other people that I could slide a couple of extra bucks. But I just wanted to make sure

 

[Jester04]

I still need to pass inspection lol I got people who may know other people that I could slide a couple of extra bucks. But I just wanted to make sure

It will pass with the two step one.

 

[AMP111]

Ok good to know! I’ll purchase it. I’m still getting a k Tuner, and the added benefits of turning off check engine light ! Thank you

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