F5 8BA Exhaust Size ?

[jms50f5coe]

I would like to change out the stock exhaust to headers ( tube or cast ) and dual pipes on my F5 dump truck. The motor is stock 8BA. I have a set of 2 inch outlet tube headers and am considering Brockmans or Porters. This truck is geared low for hauling. Any suggestions as to what size pipe and mufflers would give best power and sound?

 

[Henry/Kokomo]

I think you're deeply into a personal preferrence situation. If you have 2" headers, I doubt that you'd want pipes any smaller than 2". Usually, the larger the pipe the louder the sound. Personally, I like the Brockman mufflers and they come in a variety of sizes and either steel or glass packed. If it were mine, I'd use 2" pipes from the header to the muffler, 2" mufflers and maybe 2.5" tailpipes or (since its a truck) stacks. That oughta' wake up the neighbors! Just one person's opinion.