MazdaSpeeder
Member
- :
- Protege5 (5-spd)
I'm trying to pull all the parts together for a probe header swap, and my SLS midpipe will have to be replaced by a custom one. I want to keep a downstream cat because I'm currently really happy with the sound of the car (with one cat...doesn't need to be any louder!). I've looked at the various magnaflow high flow cats, and other than knowing I want a 2.5 diameter, I'm at a loss for determining what cat I should get. Does anyone have any experience with magnaflow downstream cats? Recommendations appreciated!