Delete my Muffler? - Ford Powerstroke Diesel Forum
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post #1 of 7 Old 04-10-2011, 12:41 PM Thread Starter
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Delete my Muffler?

So i'm new to this and am wondering if it would help much if I removed my muffler? I have 4" turbo back and no cat. My muffler is a high flow? Magnaflow. Would I get much better performance out of my rig if I delete it? or not worth the trouble? My truck is already pretty loud (first diesel) but wouldn't mind if it was a little louder if it was worth it. Would I get better MPG or HP and maybe lower EGT's? Thanks for any advice.

2002 F250 7.3 XLT EC LB 4X4
RideRight rear air/bags
18's 33" Toyo MT's
05-07 Grill, Tru-cool 4739
Add a leaf front
Airraid intake 4" Turbo back
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post #2 of 7 Old 04-10-2011, 01:15 PM
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Originally Posted by WA_PSD View Post
So i'm new to this and am wondering if it would help much if I removed my muffler? I have 4" turbo back and no cat. My muffler is a high flow? Magnaflow. Would I get much better performance out of my rig if I delete it? or not worth the trouble? My truck is already pretty loud (first diesel) but wouldn't mind if it was a little louder if it was worth it. Would I get better MPG or HP and maybe lower EGT's? Thanks for any advice.
MPG - Yes
HP - A little
EGTs - Yes

Louder - YES
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post #3 of 7 Old 04-10-2011, 03:15 PM
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My stock F-250 had the muffler deleted by a previous owner, the rest of the exhaust is 100% factory. I cant tell any difference, other than sound, when compared to the half dozen other 7.3's I have driven.
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post #4 of 7 Old 04-10-2011, 03:54 PM
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I'd think it's a high flow and its 4 inch already so unless you really want it louder...you're good for a ton of power.
Enjoy your rig!
Scott

2000 XLT F-250 7.3 Crew Cab Auto w/Transgo shift kit
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post #5 of 7 Old 04-10-2011, 03:57 PM
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It will be a little louder. As far as MPG's and EGT's go, the gains will be negligible
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post #6 of 7 Old 04-11-2011, 12:38 PM
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I wouldn't waste my time, not much to gain there
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post #7 of 7 Old 04-11-2011, 01:48 PM Thread Starter
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Thanks all for your input, i'll just leave it alone.
I keep thinking of firing it up at the campground at 6am to go steelhead fishing too. Man it's pretty loud already, don't want to be hated for being the sherman tank early morning guy.

2002 F250 7.3 XLT EC LB 4X4
RideRight rear air/bags
18's 33" Toyo MT's
05-07 Grill, Tru-cool 4739
Add a leaf front
Airraid intake 4" Turbo back
DP-F5, NS,Stk,80E,Decel,80T
GS-EGT,Tran,Boost

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