Originally Posted by 2006 F-150 FordSter

Does It Sound Sweet As You Say It Is, & What I Mean Is, Does The Exhaust Sound Good When You Rev It

Originally Posted by kaboom10

Go to classic chambered exhaust and read what he has. I have tried magnaflow and cherry bomb and both were garbage. These mufflers are the best I ever heard. Email Eric with your questions and he will set you up.

Originally Posted by 2006 F-150 FordSter

Dude its true because when I put it on the DYNO it Gained from 231 HP Into 294 HP Beat That and This is for a 2006 Ford F-150 4.6L V8, Also I sold one to one of my friends and he gained More than 423 Hp And This Is 2007 Ford F-150 5.4L V8, The Stock Hp On His Truck Was 300 HP So He Gained 123 HP

Originally Posted by LxMan1

You could only gain those kinds of numbers on a gasoline powered truck if all 4 cats were clogged and you replaced them.