JaimeG

I have a 2006 mega cab dually, which exhaust sounds better, which is the loudest. I can't choose which one to buy. Does anyone have videos of theirs they can email me?

snoyes

Loudest is going to be straight pipe. You can accomplish that by removing your stock muffler. However, some report bad drone on the highway when taking the muffler out, normally cured with a Donalson muffler. If you just want the sound from the exhaust, you can save some money and work with the stock exhaust.

Patriot2500

Snoyes hit it right on the head: loudest exhaust for the cheapest will be a straight-piped stock exhaust, no cat or muffler. Sounds like a Cessna airplane taking off. I run the Magnaflow 5" on my truck and its only loud if I really get on it. Other than that, its pretty liveable.

Another way to go maybe stacks if you want them to be loud. A nice set of 6" mitres will really be loud.

skidooman

I had my truck straight from the turbo back for about 6 months, It was LOUD. Too loud for me, plus towing my 4500lbs. boat, the drone was something that made my head want to explode. I put a 4" magnaflow back under about a month ago. I love it, its quiet in the cab, but if you want it to scream, it will when you get on it.