Rheeder218
Viper Owner
Was thinking about replacing the stock sills with a fiberglass autoform ones. I still have my cats in, will these be an issue? Thanks
autoform side sills
- Thread starter Rheeder218
- Start date
dave6666
Enthusiast
I've been running the AF sills for about 5 years with hi flow cats and no problems. Of course my sills have the soon to be world famous ice cube spitting vents on the bottom. I also run the factory insulation and the wheelwell vents.
My DIY side exhaust write-up shows a lot of it.
My DIY side exhaust write-up shows a lot of it.
99 R/T 10
Enthusiast
You will def. want to vent the AF with vents like Dave. I have heard of those side sills catching fire with plugged up stock cats. Better would be to cut the cats out altogether.
