I will be changing my TC and getting the GDE hot tune.....I want to change out the muffler to remove the restriction in the flow.......I did some searching here and the only actual part number that came up was the Magnilfow 12226.......Is this just a simple swap at the muffler shop for both the Magnaflow and the Flowmaster? Does anything have to be modified at all? Is this the way to go or is the Flowmaster ( couldn't find a part number ) the one to go with?....I'd like to get this done before the other work....Thanks in advance for your help....HJ

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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☀

You could have them swap out the flange that holds the cat back section on to the cat section. There is a bottleneck there.

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05CRD: GDE Hot ECU & TCM tunes, Provent, Cat filter, Facet lift pump, TransGo kit, Florida TC, Samcos, stainless brake lines, HDS thermostat, Renegade light bar,
RL super sliders, Bilstein adjustables, Al's Gen 4.5 Arms, 235/85-16 Duratracs, DTT rear, Elocker front, EVIC+TPMS, Turbo timer, McNally pillar gauges, Weeks Stage II kit.

Is the Magnaflow the muffler to go with? I have a line on one for $59 shipped........HJ

Webmaster Darby has removed his muffler completly as have several others and claim only a slight increase in sound. The Turbo and cat seem to quiet the engine

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Atlantic Blue 06 CRD Limited (his)
Joined by a 2000 XJ Classic (hers)

Mine goes from post cat to a new 2.5" flange, then a section of 2.5" pipe bent along the normal path of the muffler and welded back into the normal 2.5" pipe post-muffler. Definite responsiveness, power, and economy increase with only slight exhaust volume increase at low speed. At highway speed it's unnoticeable.

Dan

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2005 Silver CRD Limited
245/75R16 GoodYear Duratracs
Fumoto drain | ProVent CCV Filter
Stanadyne FM100 filter | Cummins fuel pump
GDE Eco | SEGR | BoulderBars | FrankenLift | Frankenskids

I still have the stock muffler. I would like to maybe change it out but I can not put a straight pipe in its place cus my states vehicle inspection code requires every road going vehicle to have a muffler of some type. so I have to have one or it won't pass. what are the best replacement options. I looked at auto zone to see if they had any flowmaster or something and they didn't list any part#

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2006 Liberty CRD Limited Deep Beryl Green Metallic Clear coat, Fumoto valve, MH ProVent (removed), GDE Eco tune,
OME 790/948 springs, OME struts, OME N132L shocks, Jeepin by Al A-arms, Hercules Terra Trac AT2 245/75R16
Weeks Stage 1 EGR delete, 5 volt steel glow plugs

I got my Maganflow 12226 off ebay for $59 shipped ( a steal) they usually go around $69 shipped.......HJ

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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☀