Diesel need to breath right Has anyone replaced the entire exhaust from the turbo back with a 3" pipe & muffler?? I figure between that, the ORM and the chip, that thing should come alive.
Then add a new torque converter and transmission shift kit

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2005 CRD Limited with Select Trac
Bright Silver Metallic
Factory Skid Plates
Factory Towing
Scorpion Trail Stinger chip
"ORM"
RockFather II 2.5" lift
JBA's UCA
Firestone Discoverer M/T, 245/75R16 tires
Spidertrax 1.25" wheel spacers
Rear Sway Bar removed
Samco Hoses
K&N Filter
Yakima rack
Amsoil.

Someone did a while back - and it was an expensive custom exhaust - don't remember him ever posting performance data.
although if you look at gmctd's turbo measurements - 3" is overkill - the 2 1/2" should be fine if you get rid of restrictions
The stock muffler drops it down to ~2"
but depending on your local inspection requirements - you may be able to do no muffler at all - the Turbo is the muffler.
The folks who did that had a performance boost (and noise - some put the muffler back in)

http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?t=13549&postdays=0&postorder=asc&highlight=custom&start=0

http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?t=27890&highlight=custom+exhaust

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2005 CRD
stuff
Skeptic quod gratis asseritur, gratis negatur

and i think somewhere in GMCTD's research they noted that the outlet of the turbo was 2.25"

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Trevor

'05 Limited CRD Inferno Red Pearl Coat
Home made provent installed @ 35443, SEGR installed @ 35466, Fumoto valve @ 37500, trans and transfer case skid, In tank pump installed @ 43500, Suncoast TC & Transgo Shift Kit @ 44730, EGT, Boost, Trans temp gauges, Samco hoses, Rebuilt Trans w/ HD454RFE kit @ 56K, Inmotion Stage 2 @ 56K

That info is not really relivent. The longer the tube after the initital exit from the turbo, the more restrictive it will be. This length of the tubing itself is a good reason to step up to a 2.5 or 3" exhaust. You may not see a ton of power from a 3" setup, but the turbo/motor will be much more responsive.

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'05 KJ CRD, Manual trans swap in progress followed by solid axle swaps at both ends.

1927 Ford Model T Tudor SCCA track car being contructed, 2.3L duratec with side drafts, t-5, Cobra IRS, C5 ZO6 leafs, double front A-arms, all steel.

http://www.mutinycustoms.com

All i did is cut the factory muffler out of the system and replaced it with 2 1/2" pipe. Throttle response is much inproved as is the power difference.. and who doesn't like that right? I didn't find that the sound is really any different other than being a little louder, but the sound is a nice deep rumble.. I didn't get the drone some others have stated they got with this setup...