Originally Posted by stoney4vida
I got my hands on a Spec Ops muffler. Can I run this with stock ECM, or will I need to go to EBR for the race ECM loaded for the Spec Ops muffler ? If it's possible to run with stock ECM are there any negatives to doing it ?
I also run the K&N air filter
In my opinion, get the ECM from EBR with the correct algorithms in it. You will be much happier.
Yes, the negatives are possible engine (piston) failure due to excessive lean conditions.