I have a 1989 with stock exhaust and stock engine. My wife is going out of town so I think this would be a good time to put on a set of dual stacks as she hates the idea of stacks. Is it better to use a muffler or no muffler? Any suggestions on what brand?

 

I took my muffler out and love it...as far as brand u got silverline or grandrock..or if u want to peice it together theres a pretty good website called sbs diesel performance they have good prices..

 

Keep in mind most places have 2 weeks or so before you get them. I like my 5" Stack its nice, sounds good too with no muffler.

 

This place sells internal stack mufflers that still sound good but eliminate the droning in the cab.

Black Cloud diesel

Curtis

 

I like mine with no muffler but it can get annoying on a long trip.

 

it would probably be better to leave the stacks off so she doesn't cut something off you in your sleep for doing something you know she doesn't like ...

 

i had 6" dual stacks on my single cab 3/4 ton straight piped and i loved the way it sounds. it sounded like a peterbilt taking off which was awsome. i didn't mind the drone too much, with the stereo on and the windows up it wasn't too bad.

 

if you use the truck to tow you will want a muffler or at least i do. I don't mind them just driving around but towing they suck. Mine are coming off in a few weeks.

 

My truck has been straight piped since I've got it, but as far as exhaust I've made a 4" down pipe to 5" after the Tcase and a single 5" up through the bed, mitre cut and painted black, grill paint

 

hood stacks are cool! and cheaper!

 

well if you want to stack your truck....i dont think you can run a hood stack cops frown apon that one....and if your wife isn't to crazy about them i wouldnt take the muffler off....just incase....although nothing beats the sound of a straight piped cummins

 

they make short little 4" resonators (i don't call them mufflers) that sound like straight pipe up until about 1500 rpm. Can't even tell at idle

just look for some very short 4" mufflers.