Help! I just got my 2005 Ford F-150 FX4 SuperCrew Cab 5.4L. I think i want Super 44 series. But i want the loudest you can get at a mild cost. Please Give details. Thanks
- Ryan

 

Those will be pretty loud. Don't get the "delta" series, they're quieter.

 

I just put a SI/DO Flow Super 44 Series, and it sounds awesome! I've got the 5.4 too. Only took me around 2 and a half hours with another pair of hands. Pretty satisfied with what I got it for, too. $244 bucks on eBay!