fuel mixture on 02 gt

[rrl]

now that i've put on an a catted x-pipe and cat back system on my 02 5spd gt, do i need to lean out the fuel mixture or richen it up or do nothing at all?i do have an excalibrator handheld tuner.i'd appreciate anyones experience and advice.

 

[SigmaPride]

Don't do anything.

 

[Give Me TP]

Go to a dyno or get a wideband O2 datalogger and see what your A/F ratio is. A midpipe and catback alone probably have not leaned the mixture out enough to require any changes, but it wouldn't hurt to see where you are at anyway.

 

[nwapache]

you are fine, don't worry about it