Here's a guy (not me) that my son found with 5' lengths of 2 1/2 inch stainless exhaust pipe for $10 each..............Not my listing so deal with at your own risk........HJ

http://detroit.craigslist.org/wyn/pts/1654484857.html

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☀lllllll☀Black 05 CRD Splimited, Track Lock, Select Track, Suncoast TC, Transgo shift kit
GDE Hot Tune & Trans Tune, K&N Filter minder, Green Air Filter, Magnaflow 1226
LT245/75/16 BFG AT, EVIC, INPro LED 3rd Brake Light, V6 Airbox
LED Courtesy Lts & Rear floor Lts, Halo Key Light
02 Radio Bezel with ashtray & LED light ☀lllllll☀

I thought this was a good deal?

On this topic...

Here's what I'd like to see. I'd like to see someone do some semi-scientific testing with the factory exhaust setup, and then with a straight pipe. Don't have to use scientific instrumentation or anything fancy...just log some tanks with each setup...keeping everything else as equal as you can (driving style, driving route, station where getting fuel, etc.) Let's see some numbers so we will know for sure if there is any benefit.

On my previous CRD I didn't notice any difference whatsoever in economy or power. But then again the sound was so horrible that I didn't leave the exhaust that way long enough to get hard data on it. I'd like to see if it can be proven that removing the factory muffler really does increase MPGs.

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2005 Stone White KJ Limited CRD 4x4
Off-Road Pkg
Trac-Lok
Emu 790s/948s
Skyjacker H7088s rear/Bilsteins front
15x7 Black Rock Lobos/31x10.50 Firestones
GDE HOT Tune + TCM Tune
Euro TC
CB radio
Thrush Turbo muffler
AEM DryFlow filter