Compression Ignition Addict
Join Date: Nov 2007
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Got the FBD exaust unit installed today. I was thinking I would hear more turbo whistle than I got but I can hear a soft whistle thru the exaust somewhat so I know it`s open. It`s kinda quiet in the cab although at times I can hear it a little. Is this normal w/ flowthru muffler? Would I get more whistle straight piped? I would think so. TIA . PS - My personal thanks to all you guys for your help in this install.
97 F-350, 7.3 psd, xlt, limited edition, obs, dually, E40d at, 410 r axle, reg. cab, 8ft bed, 145000 miles, DIY Tymar intake (napa filter) CCV mod. fpr bb mod, HPX crossover pipe, SS Bully steps, Reese Fifth wheel hitch, CB Radio, 3" DP /4" back w/cat delete and 4" flow-thru muffler w/5" tip.
Last edited by Triflex; 02-28-2008 at 06:12 PM.