View Poll Results: which of these mods/upgrades do you have?
Blue spring mod
38
77.55%
coolant filter
33
67.35%
headstuds
20
40.82%
CAT delete
22
44.90%
EGR delete
20
40.82%
Aftermarket exhaust
28
57.14%
PCM tune
22
44.90%
FICM tune
17
34.69%
ELC coolant
25
51.02%
Fast idle mod
24
48.98%
Multiple Choice Poll. Voters: 49. You may not vote on this poll
Post your mods/upgrades
Thread Starter
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Senior User
Joined: Jun 2010
Posts: 359
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Post your mods/upgrades
I realize some of these may not be considered mods or upgrades by all, but tried to list the popular ones. I'm curious as to whether blue spring mod is most popular. Click on all which you have currently.
Senior User
Joined: Oct 2014
Posts: 224
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Being coolant filter and blue spring are almost mandatory on these trucks I would hope they are pretty popular.
You didn't ask about '03 turbo on a newer truck! That's one we both have along with who knows how many others on here.
You didn't ask about '03 turbo on a newer truck! That's one we both have along with who knows how many others on here.
Thread Starter
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Senior User
Joined: Jun 2010
Posts: 359
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Ya, I only had 10 choices. Speaking of which, I like the whistle but wondering if there is any way to dampen it a little. Gets a little annoying on freeway with longer trips.
Thread Starter
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Senior User
Joined: Jun 2010
Posts: 359
Likes: 0
None other than turning heads in a parking lot from louder whistle, from what I have seen so far. 
Trending Topics
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Senior User
Joined: Jun 2010
Posts: 359
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2003
INDUCER: 72.6MM
EXDUCER: 66.5MM
10-BLADE
2004-2005
INDUCER: 72.5MM
EXDUCER: 66.5MM
13-BLADE
2005-2007
INDUCER: 72.5MM
EXDUCER: 64.0MM
13-BLADE
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Thread Starter
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Senior User
Joined: Jun 2010
Posts: 359
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Yes, my turbo was shot and I heard all the comments about the 03 turbo whistle so I went with that. I still am using my 06 pedestal so only used the two bolts and left the third one off as the 03 pedestal is different.
Senior User
Joined: Oct 2014
Posts: 224
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I've read that several places. I've also tried putting an 03 inducer wheel into an 06 housing and can tell you there is several mm of differance.
Cargo Master
Joined: Oct 2003
Posts: 2,833
Likes: 4
From: Jefferson, Iowa
How well does the regeneration work? They sound like a good deal, a lot of cash to put down for me.