Catted Downpipe Exhaust Fumes
Posted: Mon Feb 07, 2022 6:32 pm
Hi all,
I had a prl catted downpipe installed on my 2018 EX-T coupe about a month and a half ago. I was already running ktuner stage 1 at the time and still am.
Ever since it’s been installed, my car drives great but I’m getting awful exhaust fumes that I’d expect of a catless dp, not a catted one. I just brought it back to the shop and they triple-checked there’s no exhaust leak. There could be something wrong with the cat, but they also suggested that it could be a tuning issue with the air to fuel ratio not being quite accurate enough.
I know the ktuner basemaps support the downpipe, but I’m sure there’s a difference between supporting it and being optimized for it. Is it possible that this is the cause of the issue, and if so are there tweaks I could make myself in the software to try to correct it? I’m hoping to avoid having to spend the money on a custom tune right now.
Thanks in advance!
Aaron
I had a prl catted downpipe installed on my 2018 EX-T coupe about a month and a half ago. I was already running ktuner stage 1 at the time and still am.
Ever since it’s been installed, my car drives great but I’m getting awful exhaust fumes that I’d expect of a catless dp, not a catted one. I just brought it back to the shop and they triple-checked there’s no exhaust leak. There could be something wrong with the cat, but they also suggested that it could be a tuning issue with the air to fuel ratio not being quite accurate enough.
I know the ktuner basemaps support the downpipe, but I’m sure there’s a difference between supporting it and being optimized for it. Is it possible that this is the cause of the issue, and if so are there tweaks I could make myself in the software to try to correct it? I’m hoping to avoid having to spend the money on a custom tune right now.
Thanks in advance!
Aaron