Installing a set of long tube headers

[j-wadd]

Hi,I have a 1998 trans am and I have installed a set of pace setters with the off road Y pipe.It only has two O2 sensors and the old one had 4 what is it I need to hook up the electrics?
Thanks in advance,
John

[ProjectCamaro.com]

You'll need to buy two 02 sims and replace the rear 02's with those.

[2001NBMZ28]

Yep, or have the codes turned off with a tune.