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Lawson 03-06-2010 05:16 PM

Exhaust question
 
a friend of mine is looking for an exhaust and asked me to help... it is an '07 2500. he wants to put 5 in on it if it will fit... i havent looked at where the turbo is, and i drive a ford so i dont know. he wants it to come out right in front of the back tire in sted of going over the rear axel. im having trouble finding such a thing and was looking sugestions. dosent want a muffler.

emiller3 03-07-2010 12:17 AM

Every one I have seen like that was a kit that was modified to come out like that.

2500HeavyDuty 03-07-2010 10:07 AM

5 wil fit, the exhaust before the tire is gonna be a pain though when its time to clean the truck

Diesel Dawgs Performance 03-07-2010 04:16 PM

Our Expandit 4" Kits use a 3.5 Down Pipe on the 6.0 Powerstrokes.

GmcLbz 03-08-2010 07:36 PM


Originally Posted by Lawson (Post 510814)
a friend of mine is looking for an exhaust and asked me to help... it is an '07 2500. he wants to put 5 in on it if it will fit... i havent looked at where the turbo is, and i drive a ford so i dont know. he wants it to come out right in front of the back tire in sted of going over the rear axel. im having trouble finding such a thing and was looking sugestions. dosent want a muffler.

You will not find an exhaust kit that exits in front of the rear tire. Also all kits will have a 4" front pipe not 5". 5" kits begin after the front pipe. Also there isn't a true turbo back kit on the market for the duramax. You can purchase the downpipes seperately from either Mbrp or Diamond Eye. Both are 3" and are a direct bolt on. If you have any other questions let me know.:tu:

66impala 03-14-2010 12:45 PM

magnaflow has the kit. but the down spout is from AST diesel i have the same kit on my truck and i love it. check ebay too. there 5 inch exhaust kits out there from magnaflow to mbrp. and more. prices run from 3500 shipped to 800 shipp depends on who made them. hope that helps.:c: if you want it to come before the rear tire you have to modfy it your self. i dont recomend doing that it will change the color of your rims and its not easy cleaning them. if your friend cleans his truck every 3 or 4 days its ok i think. but if it get clean 1s every 2 to 3 weeks it will discolor your rims and sout is not the easiest to clean off after it sits on there for long peroids of time.

kfeese 03-26-2010 09:59 PM

How much of a difference does the diamond eye/MBRP down pipe make? Lower EGT's, better mileage, faster spoop, louder exhaust/turbo whistle? just want to know the benefits before i spend 189 bucks on it

2500HeavyDuty 03-26-2010 10:08 PM

IIRC rttoys has one on his truck and i think he recorded a 75* drop in sustained egts while towing. :humm:


i cant remember 100% he posted it somewhere

kfeese 03-26-2010 10:10 PM

how about sound wise? anything different. i got mine straight piped right now just wondering what it will do to the sound?

2500HeavyDuty 03-26-2010 11:55 PM

idk, he still has stock exhaust


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