I'M CURRENTLY RUNNING A STRAIGHT 4" EXHAUST AND I WANT TO GET A DEEPER TONE. I BELIEVE THAT BIGGER PIPE IS THE ONLY WAY TO DO THIS. HAS ANY ONE OUT THERE HEARD A 4" TRUCK NEXT TO A 5" TRUCK? OR MAYBE EVEN A 6".
I'M TALKING ABOUT UNDER THE TRUCK, NOT STACKS.