well my cousin has a 2000 gt and installed a summit o/r h pipe and 1 chamber flos and its loud!!!!!!!!!!!!!!!!!!!!!!! the thing is that the first 2 o2 sensors are not connected and it idles like crap!!!and u can smell the fuel!!! what can i do??? i have a diablosport predator and turned off the last 2 o2 sensors and i thought i disconnected the first 2 and it works a little better but it stills idles like crap!!! any help????
You can do away with the rears (pretty much have to with O/R) but the fronts play a crucial role in your entire engine management system.
