Anyone modify they're Cats?

[m3f_eXpLiCiT_4_fb030f9c5e]

No, I haven't dynoed but I plan on taking it in at the end of march(spring break). So far these are the mods I've done:

JC CAI

JC Shark Injector

UUC pulleys

AA Track Pipes

Still waiting on UUC System U



Hopefully Im in the 220's

[m3f_96M3Power_4547fc3d60]

So anyone have the O2 sensor sims, or know how much they cost and where to get them from?

[m3f_Matutino]

No idea, but let us know how it works.

[m3f_eXpLiCiT_4_fb030f9c5e]

try http://www.activeautowerke.com/

[m3f_SG_M3_d1201712b5]

aa has them or www.midnightautowerks.com should have the too.