Strait Pipe Question - Ford Powerstroke Diesel Forum
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post #1 of 11 Old 12-01-2010, 04:34 PM Thread Starter
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Strait Pipe Question

I am wanting to remove my muffler and Cat for the fact of wanting to improve my fuel mileage. Is there any reason that I cant (or shouldn't) just go and get a piece of replacement pipe and exhaust claps and just cut out the muffler and cat and clamp in a the new section of pipe?

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post #2 of 11 Old 12-01-2010, 04:41 PM
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The reason not to do that is the complexity of what you will have to do. It would be best to buy a cat delete pipe so that you can switch it out easily.

But you can do the muffler your way.
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post #3 of 11 Old 12-01-2010, 04:42 PM
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post #4 of 11 Old 12-01-2010, 04:48 PM Thread Starter
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Thank you very much. Being a poor college kid money is sparse so walking out an buying a whole exhaust kit is really tough. Thank you

13 F150 SCREW Lariat 6.2L

Sold
07 F250 ECSB 4x4
Max 4 Camo Clad with grass cut out
Muffler delete
CTS/EGR probe
SCT-Gearhead
Cat EC-1
Dieselsite coolant filter
Bulletproof 58V FICM
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post #5 of 11 Old 12-01-2010, 05:06 PM
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i paid an exhaust shop to cut out my muffler and weld in a piece of pipe for 40 bucks and bought the cat delete. the muffler is the first piece I would delete

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post #6 of 11 Old 12-01-2010, 08:55 PM
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yea start with the muffler
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post #7 of 11 Old 12-01-2010, 08:58 PM
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the factory muffler is a hunk of junk it has to be the most restrictive thing on the truck from the factory

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post #8 of 11 Old 12-01-2010, 08:58 PM
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I removed my entire exhaust and ran a 4 inch downpipe into four inch MRBP straight pipe. Picked up about 1-2mpg according to the lie o meter. Cant run straight pipe everywhere but here in NJ there is no mechanical inspection anymore and no emisions for diesels so no worries... only thing this state has gotten right

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post #9 of 11 Old 12-02-2010, 04:39 AM
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If you are interested I have the muffler delete linked above for sale. 30 bucks plus shipping

Email: Dave@powerstroke.org
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post #10 of 11 Old 12-03-2010, 10:00 AM
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Quote:
Originally Posted by smokersteve View Post
yea start with the muffler
You dont think ditching the CAT first would be better? Lower EGTs? I know the muffler sucks. Just thinking about lower EGTs?

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