What Muffler to use? No drone wanted.

[vectorit]

I currently run FM series 70's with an H pipe, the tail pipes exit behind the rear wheel as well. At average highway cruise speeds, I have a drone that resonates in the suburban cabin. It's not too terribly bad, but after a while of listening to it I want it gone.

For the '70 K10 SWB I plan to put in the Dynomax "Hemi super turbo" mufflers, since it is a short length of pipe and I want it some what quiet on long drives.

http://www.jegs.com/p/Dynomax/Dynoma...44700/10002/-1

[redrum414]

Originally Posted by vectorit

I currently run FM series 70's with an H pipe, the tail pipes exit behind the rear wheel as well. At average highway cruise speeds, I have a drone that resonates in the suburban cabin. It's not too terribly bad, but after a while of listening to it I want it gone.

For the '70 K10 SWB I plan to put in the Dynomax "Hemi super turbo" mufflers, since it is a short length of pipe and I want it some what quiet on long drives.

http://www.jegs.com/p/Dynomax/Dynoma...44700/10002/-1

nice suburban is that all original ?
what is a FM 70 ?