i bought the invidia test pipes and there is an extra hole for imguessing a air fule sensor, like the aem one with the gauge. now how can i temporarily cap this off so i can add one further down the road. i dont want to weld b/c that would be perminent, so cant i just find a bolt that would fit in this hole please i need help

 

most muffler shops should have a plug that will screw into it.

 

and thats it it will be good untill i get the aem air fuel sensor. and if i dont it will be ok also

 

it will plug the O2 bung. If you decide to leave it plugged, it will work fine like that.

 

without any welding right?

 

no welding needed