Ok guys I've got an 06 SCrew w/ 5.4. Back in June of last year I had my exhaust done with true duals to two flowmaster 40 series dumped in front of the rear axel and I really liked the sound at first but now I want it more aggressive and louder. Anybody got any suggestions about how to do this I don't want to spend a ton of money getting it redone but would consider swapping mufflers or run them out to dual tips at the back. Any suggestions are appreciated.

 

Take the 40's off... just run pipes

 

I've thought about that I don't know if it be too loud and I don't want to have a lot of cab noise

 

I swapped from flowmaster 40 series to a dynomax bullet on my 06 5.4. 3 inch si/so out though, but would still sound way better and these are pretty inexpensive. Here's my thread with before and after.
https://www.f150forum.com/f4/flowmas...videos-126558/

 

How much did you pay for the dynomax bullet

 

As long as you run it out the back there's no in cab drone. In town it's loud and itll growl. But on the highway it'll purr and be surprisingly quiet till you get on it and pass a car. I love the sound my straight pipes make.

 

38 bucks from Amazon for 3 inch, with your duals depending if u are 2.25 or 2.5 it should be a couple bucks cheaper.

 

Aight guys thanks for your input