Just installed the JRE 4" Exhaust today. Whoa
is this thing LOUD! I expected some extra sound, but I had no idea! I was really surprised that if you roll the windows up, it really isn't that bad in the cab. But with the windows down, look out! I guess I'll get used to it, although my neighbors may not
. I haven't had a chance to see what effects it had on EGT & Boost yet. Tomorrow to install the DD2's . . .

