insulation for downpipe? 4" exhaust - Ford Powerstroke Diesel Forum

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post #1 of 6 Old 01-10-2014, 05:50 PM Thread Starter
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insulation for downpipe? 4" exhaust

I just installed a diamond eye 4" stainless turbo back system, on my 04 F350 lariat CC DRW 4X4...I love the sound, and the turbo spools much quicker, but I was wondering about the insulating wrap on the factory downpipe. Would it be best to try to insulate the new pipe? or just run it as is? Thanks for the thoughts, I love this site!
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post #2 of 6 Old 01-10-2014, 08:40 PM
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Run it as it is... I don't think you have enough room to fit insulation around the dp... My diamond eye is super close to the firewall and actually touched the tranny dip stick tube(I ran heater hose around the dip stick tube to prevent rattling)

Late 04 f350 lariat.

bpd
marty's regulated return
205/75 injects from holder's
WPE stage 3 ported intake
64.5 borg warner fmw ,compounds in the works now! Comp turbo set up
Warren comp trans
all the typical mods

Big thanks to Dale! The man is a true professional
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post #3 of 6 Old 01-11-2014, 05:30 PM Thread Starter
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Thanks that's what I expected to hear...It seems to have plenty of clearance.
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post #4 of 6 Old 01-13-2014, 12:01 AM
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You wouldn't happen to have a video of ya truck with the 4 inch downpipe? I'm looking at getting the same one and want to see how it sounds
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post #5 of 6 Old 01-13-2014, 07:32 AM
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Don't worry about insulating the downpipe. The up pipes have more heat in them. If you want to keep under hood temps down wrapping them will accomplish more.
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post #6 of 6 Old 01-13-2014, 03:15 PM Thread Starter
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Quote:
You wouldn't happen to have a video of ya truck with the 4 inch downpipe? I'm looking at getting the same one and want to see how it sounds
No sorry, I may try to get something up, but I am not the most computer oriented person... I will say I am very happy with the sound (strait thru muffler w/ no cat) Nice tone, and not abnoxiously loud. (I do use the truck to drive my two year old boys around after all...) nice rumble when you get on it, and loud turbo whistle, more low end power with out the restrictive down pipe.
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