6in octagon Hoodstack, has a 4-1/2” inlet hole and is 6” tall with 8 mounting screw holes, these a are made with quality 16ga steel, measurements of the hoodstack are the the last few pictures
I have other stacks and exhaust tips available in my listings along with lots of other brackets and traction bar mounts
LB7 Duramax
LLY Duramax
LBZ Duramax
LMM Duramax
LML Duramax
L5P Duramax
7.3 Powerstroke
6.0 Powerstroke
6.4 Powerstroke
6.7 Powerstroke
12v Cummins
24v Cummins
5.9 Cummins
6.7 Cummins
Chevy Silverado 2500hd
Chevy Silverado 3500hd
GMC Sierra 2500hd
GMC Sierra 3500hd
Ford f250 Superduty
Ford f350 Superduty
Dodge Ram 2500
Dodge Ram 3500