cat/muffler delete vs 4"$$$ - Ford Powerstroke Diesel Forum
 
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post #1 of 7 Old 08-19-2010, 04:59 PM Thread Starter
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cat/muffler delete vs 4"$$$

i've got a guy that will delete my cat and muffler if i choose on my stock 3.5 exhaust, for a price thats waaaay more appealing than 400 bucks worth of pipe for a four inch..
question 1.. should i keep the stock muffler in line?

question 2 .. how loud is it gonna be without it..?

question 3.. is a 4 inch pipe THAT MUCH gain over just makin my stock system straight through?

question 4.. i should have a noticeable gain by doing this right?

i'm going to keep my muffler just in case the sound drives me nuts, but i'm pretty sure i'll like it..
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post #2 of 7 Old 08-19-2010, 05:06 PM
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Quote:
Originally Posted by jmaroon View Post
i've got a guy that will delete my cat and muffler if i choose on my stock 3.5 exhaust, for a price thats waaaay more appealing than 400 bucks worth of pipe for a four inch..
question 1.. should i keep the stock muffler in line?
NO!!

question 2 .. how loud is it gonna be without it..?
Not too loud, it'll sound good, trust me

question 3.. is a 4 inch pipe THAT MUCH gain over just makin my stock system straight through?
Not much of a difference

question 4.. i should have a noticeable gain by doing this right?
The gain you'll see will be an increased/improved exhaust note, slightly faster spooling of the turbo and the BIG reason to do it..... reduced EGT's

i'm going to keep my muffler just in case the sound drives me nuts, but i'm pretty sure i'll like it..
.........

Duane
2007 - F-250 Lariat OUTLAW
1983 - MERCEDES-BENZ 300D



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post #3 of 7 Old 08-19-2010, 05:22 PM Thread Starter
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SWEET!! that's the answer i was hoping for. my wife ain't crazy bout the idea of me puttin exhaust on this one, when i'm about to plop a system in my 76 scout II
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post #4 of 7 Old 08-19-2010, 07:11 PM
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i have CC LB cant hear my exhaust
both cat & muffler hav been removed

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post #5 of 7 Old 08-19-2010, 07:39 PM
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I am in the same dilemma myself. How much do you really gain by going to 4"? Its a lot of money.
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post #6 of 7 Old 08-19-2010, 07:45 PM Thread Starter
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well this guys gonna cut my cat and muffler out for 100 bucks and put in the straight.. cheaper experiment than 500 for the four inch..
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post #7 of 7 Old 08-22-2010, 08:34 AM Thread Starter
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well i had the guy do it yesterday morning, and i'm very happy..
1. ya can hear the turbo in the exhaust idling in the parkin lot
2. the exhaust has a nice deep rumble when you lay into it
3. the tranny shifts MUCH smoother all the way through the band
4. i may be imagining things, but the inside cab engine volume seems to have decreased alot
I LIKE IT!!!!!!
the guy just hacked cat and muffler out and sleeved a section of 4inch in the hole..


e99 F250 7.3 4x4 sb
33" dick cepeks
diy filter - done
gutted ebpv
straight pipe - DONE! .. WOW!!!
later model pcm - soon to be done
guages - next on santy clause list
chip - later on down the road

others in the fleet:
76 IH scoutII
74 IH scoutII
2 73s for parts
93 ranger commuter/beater truck
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