cat

Anybody have any experience with ontario e test? I have to get mine done and she has lt headers and very high flowing cats. It was setting a cat code but i got that disabled in tuning... will that show as a monitor not ready? Thanks!

I've been wanting to do a Cat delete on my 2011 RAM 1500, with the 5.7 Hemi. I've currently got the bullydog GT plus for hemi, AFE cold air intake and just a muffler delete. I'm wondering if anyone has tried to remove the cats yet, and if anyone knows if the tuner i have will permanently remove...

I have a 2010 2500 Crew with 6.7 and would like to mod the exhaust but I'm unclear on the DPF, CAT, sensors, etc... Last time I did this I had a 2007 5.9. I dropped out the factory system from the turbo back and replaced it with a 4" open....piece of cake. Can I go turbo back (no DPF and no...

I was wondering if anyone here has bypassed their stock cat, im looking for some cheap upgrades and figured it might be worth a shot. (already have a CAI) Even if there was no power increase is there a negative impact on low end power?

So after owning my truck for close to 1 year now I have finally lost all patience with dealing with the faint to annoying rattling (sounds like a tin can or something) coming from the underside of the truck at or right below 2100 RPM. Once I pass 2100 or come back down from 2100 it completely...