Off-Road H-Pipe
#21
Originally Posted by Ponyryd
The diff is, a 2way cat only works for cleaning up 2 gases like HC and NOX, then a 1way cat is also needed to clean up the HC portion, whereas a 3way cat does all 3, yours are 3way cats.
Thread
Thread Starter
Forum
Replies
Last Post
kcobra
Mustang Parts for sale
1
01-03-2011 09:30 PM