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Discussion Starter #1
hes looking to get a programmer and his truck is a 04 cummins but how would he tell if its a 04 or 04.5 up truck? any pics of the differences?

also about exhaust does summit racing make a exhaust that has no cat on it? i have one for my duramax but theres none for a 04 dodge to get rid of the cat. do dodges exhausts fit a variety of years like chevys duramaxes?

thanks!
 

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IIRC, you look at the 8th number of the VIN?!

Someone else will chime in and correct me, hopefully.
 

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He wants to know on a Dodge though. Not sure on a dodge.
 

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Guess I should read the whole post...I apologize for the mistake.
 

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there's a sticker on the valve cover.. if it says model isb 325 its a 2004.5 600.. it could be located near or on the TPS/APPS shroud.. thats where my 03' has one that says ISB 250... its probably tagged as ISB 305 if its pre 2004.5 and built in '04
 

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Discussion Starter #6
hmm well what bully dog programmer would work theyre not very descriptive on the site
 

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2004 or 2004.5

I second the above.. :exactly:

Check Valve Cover for Date of Manufacture past 1/1/04
Check Valve Cover for Model: ISB 325
Check Exhaust, is it 4" w/ Cat-Converter??

If it has any of the above (especially ISB 325 Model) its an 04.5
 

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look at the sticker in the glove box it will say DG8 for the 48re.look on the valve cover on drivers side and see what hp it has it will be either 305 250 or 235.If its 305 it for sure has the 48RE it could have the 48RE with 250 hp SO too if its built after jan 03.
 

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Look on the drivers side door jam. Manufacture date should be there. Not sure about the 02, but 03 and up should be the 48re.
 

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For the most part most 03s that had the standard output engine will have the 47re but not all some came with the 48re. after 03 all the automatics are the 48re because they did away with the standard output engine, they are all high output.
 
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