Do I need O2 extensions??

[dsg_gt2004]

well i just ordered a Mac off-road H pipe and steeda MILs ..im just wondering since i have an 04 gt if i will have to get the o2 extensions...i'm pretty sure i dont, but any information would be appreciated since i may receive my h-pipe in about 2 days

 

[Stang|ess]

The 04s need the o2 extensions Sucks for us.

 

[dsg_gt2004]

thanks..i guess i will order them now and maybe they will arrive with my H-pipe