I'm interested in putting on a SISO cat back on my 07 supercab 5.4 but want one that doesn't drone and isn't too loud.

Which do you guys suggest?

 

Then you want a Magnaflow!

 

I have a flowmaster 50 SI/DO on my 05 Supercrew and it has no drone.

I put the same on my Ranger with SI/SO and it sounds great. I like a deep rumble, but not very loud. I have had Flowmaster 40's that were terrible at cruising speed.

good luck.

 

18" Magnaflow or maybe even the 24", but that might be just a tad too quiet.

 

Probably a Magnaflow. But, I can tell you, on long uphills when the truck kicks down out of OD, it will drone. Not a deal-breaker, but ya might wanna know. I put the Lightning style on and I do love it. Pretty quiet 'til you hit it.

 

I removed my Magnaflow #16612 because the drone on my 06 FX4. Now, I'm looking at a Corsa system.

 

Love my Borla, deep rumble when on it, no drone cruising..

 

Flowmaster 50, I have SIDO, but still no drone, it sounds good too.

 

Bassani, absolutely no drone

Under $400 how can you go wrong
http://www.sporttruckdirect.com/Bassani_Exhaust.html

 

I've got the Borla SiDo no drone at all!

 

I have the same setup with the flowmaster 50 SI/DO and do not have drone either. I was thinking of going with 40 because the 50 is a bit to quiet for me but i guess i'll stay with what i have.

 

I have an IMCO hotrod muffler under my truck, it isn't a cat back system that you can order but I had it bent up at our local exhaust shop. I am running 3" from the factory Y into the muffler and then 3" out the tailpipe into a 4X12" SS tip. I have no drone at all, it doesn't matter if I am pulling a trailer in 3rd gear or running the interstate at 80. It just does not drone, and I love it for that. My setup wasn't very loud either, it got alittle louder when I put the tip on but its still not very bad.

 

Hi.

That's interesting. Can you describe it? what rpm range?

These trucks seem to exhibit this seemingly at randon regardless of which brand is installed.

I'll bet it's got something to do with muffler location, installation technique ( hangers being stressed), and some other inexplicable variables. It is well known that the further back the muffler is, the less chance of drone ...

Thanks.

 

I experienced the same thing with Magnadrone on my Tahoe.. 2 different mufflers same drone..
worst at 70mph and around 2K RPMs

 

I have IMCO , which is now using the cherrybomb name. Go to cherrybomb.com for more information. I have 2.5 Si/S0 cherrybomb pro dumped just in front the axle. No drone at all. Really deep sounds, deeper than flowmasters but not as loud. About the same loudness as magnaflow 18 inch but with more of a classic sound.