Never had a FORD before...until now

[ScorpionBoy]

I have heard that cats help scavenge the exhaust. good high flow cats don't impede flow and are good for the environment, something to think about if you breath air.

 

[ranger boy]

I have heard that cats help scavenge the exhaust. good high flow cats don't impede flow and are good for the environment, something to think about if you breath air.

thats why you get a new exhaust half of the time, for a cat that flows better