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General Forums => The Mess Hall => Topic started by: jasper384 on February 06, 2006, 12:14:20 PM

Title: removing cat converter
Post by: jasper384 on February 06, 2006, 12:14:20 PM

i have a 99 tj 2.5 5spd. i was interested in removing my cat but can not find a o2 simulator for the rear o2 anyone know who sells them or if i will need on to keep my check engine light from coming on.

also what kind og power gains can i look for after removing my cat anyone else done this?

thanks for the help

jason

Title: removing cat converter
Post by: Jeffy on February 06, 2006, 01:48:45 PM

Honestly, you'll probably wont see any gains at all.  If you do it will be at the expense of your low end torque though.  Also, you could run into some heafty fines if you caught without one.

Title: removing cat converter
Post by: getstucksome on February 06, 2006, 06:49:40 PM

if you do remove, you could get a weld-in bung and that might work.  it probably isn't worth it as jeffy said

Title: removing cat converter
Post by: Jeffy on February 06, 2006, 07:07:28 PM

The problem is there is a difference in the O2 reading betweek pre and post cat readings.  They need to be different.  There are ways to trick the secondary O2 but in all honesty, I wouldn't do it.