Exhaust question, help
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Senior User
Joined: Jan 2006
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From: Southeast mi
Exhaust question, help
Im doing this on a budget,
I have the factory DP and it runs to the factory 3.5 center section then a walker muffler then to a 4 inch over axle with down turn tip,
I was thinking about just straight pipping the muffler out,
How do you think this would sound since it is 4 inch over axle...dont need to buy whole system when half of it is there and later if i want i can replace DP and center section
I have the factory DP and it runs to the factory 3.5 center section then a walker muffler then to a 4 inch over axle with down turn tip,
I was thinking about just straight pipping the muffler out,
How do you think this would sound since it is 4 inch over axle...dont need to buy whole system when half of it is there and later if i want i can replace DP and center section
Last edited by rickgmi; May 9, 2006 at 11:34 AM. Reason: mistyped
Postmaster
Joined: Jun 2005
Posts: 3,438
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From: New Hampshire
Originally Posted by rickgmi
Im doing this on a budget,
I have the factory DP and it runs to the factory 3.5 center section then a walker muffler then to a 4 inch over axle with down turn tip,
I was thinking about just straight pipping the muffler out,
How do you think this would sound since it is 4 inch over axle...dont need to buy whole system when half of it is there and later if i want i can replace DP and center section
I have the factory DP and it runs to the factory 3.5 center section then a walker muffler then to a 4 inch over axle with down turn tip,
I was thinking about just straight pipping the muffler out,
How do you think this would sound since it is 4 inch over axle...dont need to buy whole system when half of it is there and later if i want i can replace DP and center section
Nut
Post Fiend
Joined: Feb 2006
Posts: 11,892
Likes: 2
From: Middle Tennessee
Without the muffler and the larger pipes aft, it will sound a lot better and flow more too, to a point. Look here and you will see the major obstruction begins with that cork known as the factory DP. 3" worth of step down to an obstruction right where the engine designer never intended. Why would that flange at the turbo be that large? Just look at the difference in the DPs. Thanks again Ford.
I wish I had a pyro gauge before doing my swap because I bet that pipe makes for some extremely high EGTs in no time flat. I can't believe how fast it comes up on the gauge with my new system.
I wish I had a pyro gauge before doing my swap because I bet that pipe makes for some extremely high EGTs in no time flat. I can't believe how fast it comes up on the gauge with my new system.
Last edited by Tenn01PSD350; May 9, 2006 at 06:11 PM.
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Joined: Jun 2005
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From: New Hampshire
Originally Posted by rickgmi
How bad is the flutter sound, is it a deep sound..
Nut
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Senior User
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From: Southeast mi
OK completed my muffler delete,
Flutter at idle is there when the engine is cold,,
Sounds crisp when the truck is warmed up and has bass tone to it, at idle
On the Road not loaded you can hear some flutter but not to bad,
When under load and the turbo boosts it sounds really nice, at one point i let off the pedel and I did hear that cut back of pressure sound comming out, I was under a bridge getting off of Off Ramp at the time,
With windows shut you cant hear the exhaust at all, just the sound of the turbo, I have removed the insulation off the intercooler pipe so I do believe most of it is comming from there,
Looking forward to getting my FleetFilter delivery thursday and have extra 4 inch pipe waitting on it...
Thanks for all the help Psnut..you were right on the mark with your reply
Rick
Flutter at idle is there when the engine is cold,,
Sounds crisp when the truck is warmed up and has bass tone to it, at idle
On the Road not loaded you can hear some flutter but not to bad,
When under load and the turbo boosts it sounds really nice, at one point i let off the pedel and I did hear that cut back of pressure sound comming out, I was under a bridge getting off of Off Ramp at the time,
With windows shut you cant hear the exhaust at all, just the sound of the turbo, I have removed the insulation off the intercooler pipe so I do believe most of it is comming from there,
Looking forward to getting my FleetFilter delivery thursday and have extra 4 inch pipe waitting on it...
Thanks for all the help Psnut..you were right on the mark with your reply
Rick
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Postmaster
Joined: Jun 2005
Posts: 3,438
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From: New Hampshire
Originally Posted by rickgmi
OK completed my muffler delete,
Flutter at idle is there when the engine is cold,,
Sounds crisp when the truck is warmed up and has bass tone to it, at idle
On the Road not loaded you can hear some flutter but not to bad,
When under load and the turbo boosts it sounds really nice, at one point i let off the pedel and I did hear that cut back of pressure sound comming out, I was under a bridge getting off of Off Ramp at the time,
With windows shut you cant hear the exhaust at all, just the sound of the turbo, I have removed the insulation off the intercooler pipe so I do believe most of it is comming from there,
Looking forward to getting my FleetFilter delivery thursday and have extra 4 inch pipe waitting on it...
Thanks for all the help Psnut..you were right on the mark with your reply
Rick
Flutter at idle is there when the engine is cold,,
Sounds crisp when the truck is warmed up and has bass tone to it, at idle
On the Road not loaded you can hear some flutter but not to bad,
When under load and the turbo boosts it sounds really nice, at one point i let off the pedel and I did hear that cut back of pressure sound comming out, I was under a bridge getting off of Off Ramp at the time,
With windows shut you cant hear the exhaust at all, just the sound of the turbo, I have removed the insulation off the intercooler pipe so I do believe most of it is comming from there,
Looking forward to getting my FleetFilter delivery thursday and have extra 4 inch pipe waitting on it...
Thanks for all the help Psnut..you were right on the mark with your reply
Rick
Nut
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Postmaster
Joined: Jun 2005
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From: New Hampshire
Originally Posted by rickgmi
I think I will stay with it,,but man am I itching to get that airfilter in there thursday....my plans for putting it on thursday just make me shiver....lol
Postmaster
Joined: Jun 2005
Posts: 3,438
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From: New Hampshire
Originally Posted by rickgmi
Im going with the fleetfilter 46637, and doing the ccv mod at some time, already have the parts made up and ready to go...
I figured that was the best bang for the buck...
I figured that was the best bang for the buck...
Nut
Logistics Pro
Joined: Mar 2004
Posts: 4,221
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Nice going on the muffler delete, Rick. Sounds sweet, doesn't it! 
Yeah when the windows are up, that turbo working sound is definitely from the intercooler pipe foil being removed. I had the muffler delete first, then the intercooler foil removed, and that's when that sound came in, which I actually like best of all the sounds my truck makes.
Yeah when the windows are up, that turbo working sound is definitely from the intercooler pipe foil being removed. I had the muffler delete first, then the intercooler foil removed, and that's when that sound came in, which I actually like best of all the sounds my truck makes.
Thread Starter
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Senior User
Joined: Jan 2006
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From: Southeast mi
You are so right Ryan, its great, man I really cant wait till the 46637 get here,
Plus i might take a trip this weekend up northern michigan, its only 3 hours but im damn sure going to enjoy the drive,
BigHead, muffler delete, insulation gone, and the 46637, It cant get much better,
Plus i might take a trip this weekend up northern michigan, its only 3 hours but im damn sure going to enjoy the drive,
BigHead, muffler delete, insulation gone, and the 46637, It cant get much better,