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Old 07-09-2011, 05:00 PM
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Straight Exhaust

Was up late last night doing research on here. I'm new to owning a diesel. I have a 01 f250. After researching I've decided to do a DIY Tymar and straight pipes. I talked to a dude today, who does work on my cars, he said he could put a 4" straight pipe on it. He doesn't have the machinery to bend it, so we are thinking of putting a dump right before the rear axle. Is there any problems with doing this, like overheating tires or anything like that?
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Old 07-09-2011, 10:10 PM
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Nope, won't run into any trouble like that if you choose to go that route.

The stock 3.5" will flow as much as you need with a mostly stock truck. You can have him chop the muffler out, loosen the clamp on the exhaust in front of the muffler and rotate it until you have a straight shot to where the tailpipe was chopped off the muffler and weld in some straight pipe. 1/2 hour to a clean, functional and GREAT SOUNDING exhaust.
Just get that muffler out of there and you will be in fine shape until you start with injectors, bigger turbo, etc. I opted for a walker BTM after a year of straight pipe, it was just a tad too loud outside the truck for the family-mobile.

You will be amazed how much better it seems your truck will breathe with the diy and the straightpipe.



Enjoy your truck.
Scott

Last edited by ScottyP5947; 07-09-2011 at 10:12 PM. Reason: add photo
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Old 07-09-2011, 10:14 PM
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Yeah and -
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Old 07-10-2011, 01:10 PM
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Thanks for the tips. I'm sure I'll be asking more questions. I'm just getting started. I'll have to pace myself and do as much as I can on the cheap. I bought the truck for the longevity of the engine and to pull our 31' travel trailer. I don't think I'll be racing it. Just trying to get more power and better gas mileage.
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Old 07-10-2011, 01:40 PM
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Check your local laws, and talk to a trusted mechanic first... many areas that have inspections will NOT pass you without a muffler. Of course they will work on your vehicle... they are making money. Doen't mean that come state po-po time you aint gonna get a ticket.

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Old 07-10-2011, 10:41 PM
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Quote:
Originally Posted by ToMang07 View Post
Check your local laws, and talk to a trusted mechanic first... many areas that have inspections will NOT pass you without a muffler. Of course they will work on your vehicle... they are making money. Doen't mean that come state po-po time you aint gonna get a ticket.

lol im in kommiefornia with a straight pipe, lots of straight piped 7.3's here. we're rebels..
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Old 07-11-2011, 05:25 AM
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Quote:
Originally Posted by Dietoremain View Post
lol im in kommiefornia with a straight pipe, lots of straight piped 7.3's here. we're rebels..
Read my responce:

The key is a "trusted" mechanic.

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Old 07-11-2011, 05:48 AM
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I have my exhaust dumped out right in front of the tire too. The only thing I dont like is never being able to keep that wheel clean. Speeds up the pitting too
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Old 07-11-2011, 08:25 AM
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My 6.0 is stright through via MBRP turbo back. I am more than likely buying a 99.5 7.3 tonight. If I do get it (about 90% sure I will), I will be routing the exhaust right before the tire.
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Old 08-01-2011, 06:53 PM
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Still haven't cut the pipe yet. The "Trusted" mechanic also does the safety inspections here, said he would cut it and run it to the side for $150, seems kind of high for something so simple. At what point would I need to go to a 4" exhaust. The biggest thing I tow is a 31' travel trailer that weighs less than 9000lbs. After the DIY Tymar and the exhaust I'll probably chip it. Any recommendations on the chip?
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