i had 4" straight from the turbo back duals with 6 inch tips when i bought my 12v cummins last year. i hated the sound, and build up of soot now i have 5" dual bullhauler stacks

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and another thing i hated about the duals is when mudding, and driving threw the woods the tips would only look good for about 2 months the rocks and mud would distroy my tips

 

I personally, unless your running stacks like single exhaust with a nice big tip.I don't like the sound of duals on a diesel.

 

I have dual silverline 4" turbo back and they SOUND and LOOK great!![IMG]URL=http://s281.photobucket.com/albums/kk210/latenite75/?action=view&current=0328081337.flv][/URL][/IMG]

Sorry crappy picture..

 

MBRP Dual 4" with 6"....





Got your vid to work...

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http://s281.photobucket.com/albums/kk210/latenite75/?action=view&current=0328081337.flv

 

Go with a Grand Rock 6 in mitre stack kit and be done with it

 

i was considering that but i want to be able to put a canopy on for camping.

 

well in that case i would go with a 4-5" single exhaust and then get the biggest tip you can find, in know places go tips that go from 4" to 8" and make the trucks sound like a BAMF

 

make your own stack its cheaper

 

I ordered mine and had it here at the house for 300 and it is a 5in with 4in down pipe. Pm me if you want to know where to get it.

 

i put a camper on mine so stacks are outte the question for me too

this is a dual silverline 4 with 6" turndowns