Originally Posted By John_Kunkel
Put Hi-Flow cats on my Viper, no stink and it passed California Smog Check with numbers close to stock. Was louder though.


You'd notice the stink with side exit exhaust.
Do you remember if they were 100 or 200 cell cats?


We are brothers and sisters doing time on the planet for better or worse. I'll take the better, if you don't mind.
- Stu Harmon