dual exhaust
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Freshman User
Joined: Oct 2008
Posts: 38
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From: minnesota
dual exhaust
anybody ever done TRUE dual exhaust on a superduty with a 5.4l i was told it cant be done at local shop. an if so can i see pics an if anyone knows about a shop in southern minn that will tell me
Tuned
Joined: May 2008
Posts: 474
Likes: 3
I put duals on my 05 f250 reg cab long bed 4x4. Baffled round mufflers both are on pas side and the pipes come out on the corners of the bumper. We split the y pipe right in front of the y so it is true duals all the way. Sounds really good and i put 4 inch ss tips on both sides so it looks good also. 500$ out the door at local muffler shop so it was all custom made.
Former ******
Joined: Nov 2004
Posts: 4,901
Likes: 2
From: Salt Lake City, Utah
Yes you can do dual exhausts. My question is why. What makes you believe that a dual exhaust will flow any better under ordinary conditions than a properly designed single exhaust system? Lets just think about a few obvious things that are not good for running true duals on your truck.
1: The gas tank is in the way, so one side will be longer than the other.
2: Dual pipes create more drag than a single.
3: Faster moving exhaust is required for proper scavenging, which dual exhausts compromise.
4: Dual exhausts add more weight to the vehicle.
5: Dual exhausts cost more than singles.
6: Some single exhausts with dual outlet mufflers sound smoother and can be louder without buzzing or rasping.
1: The gas tank is in the way, so one side will be longer than the other.
2: Dual pipes create more drag than a single.
3: Faster moving exhaust is required for proper scavenging, which dual exhausts compromise.
4: Dual exhausts add more weight to the vehicle.
5: Dual exhausts cost more than singles.
6: Some single exhausts with dual outlet mufflers sound smoother and can be louder without buzzing or rasping.
Senior User
Joined: Jan 2005
Posts: 123
Likes: 2
Yes you can do dual exhausts. My question is why. What makes you believe that a dual exhaust will flow any better under ordinary conditions than a properly designed single exhaust system? Lets just think about a few obvious things that are not good for running true duals on your truck.
1: The gas tank is in the way, so one side will be longer than the other.
2: Dual pipes create more drag than a single.
3: Faster moving exhaust is required for proper scavenging, which dual exhausts compromise.
4: Dual exhausts add more weight to the vehicle.
5: Dual exhausts cost more than singles.
6: Some single exhausts with dual outlet mufflers sound smoother and can be louder without buzzing or rasping.
1: The gas tank is in the way, so one side will be longer than the other.
2: Dual pipes create more drag than a single.
3: Faster moving exhaust is required for proper scavenging, which dual exhausts compromise.
4: Dual exhausts add more weight to the vehicle.
5: Dual exhausts cost more than singles.
6: Some single exhausts with dual outlet mufflers sound smoother and can be louder without buzzing or rasping.
2: huh?
3: No
4: 10 lbs on a 6600 lb truck. Don't eat too many cheese burgers is the same argument
5: Yep.
6: Is sound the only question, or power?
Single exhuast is the easy way, sounds good, bolt on answer. A true dual exhaust, though more expensive, will give more power.
Posting Guru
Joined: Nov 2005
Posts: 1,519
Likes: 1
From: Wyandotte, Michigan
I had my stock exhaust taken off after the cat and had a catback system from Dynomax put on. The system came with a super turbo muffler but I ordered an ultra flo to replace it. It's a dual set up with single muffler, sounds great and turned my dog 5.4 into a peppy little beast. I think, my opinion, true duals don't do for you what they would do for say a 69 Camaro.
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Freshman User
Joined: Jan 2009
Posts: 31
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I had a 98 5.4l with 2 and a quater piping true duals no cats and 12inch glasspacks with stainless tips it sounded awespme
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Senior User
Joined: Dec 2007
Posts: 130
Likes: 0
Yes you can do dual exhausts. My question is why. What makes you believe that a dual exhaust will flow any better under ordinary conditions than a properly designed single exhaust system? Lets just think about a few obvious things that are not good for running true duals on your truck.
1: The gas tank is in the way, so one side will be longer than the other.
2: Dual pipes create more drag than a single.
3: Faster moving exhaust is required for proper scavenging, which dual exhausts compromise.
4: Dual exhausts add more weight to the vehicle.
5: Dual exhausts cost more than singles.
6: Some single exhausts with dual outlet mufflers sound smoother and can be louder without buzzing or rasping.
1: The gas tank is in the way, so one side will be longer than the other.
2: Dual pipes create more drag than a single.
3: Faster moving exhaust is required for proper scavenging, which dual exhausts compromise.
4: Dual exhausts add more weight to the vehicle.
5: Dual exhausts cost more than singles.
6: Some single exhausts with dual outlet mufflers sound smoother and can be louder without buzzing or rasping.
2. In theory yes, but not noticeable.
3. Duals with a proper set up x-pipe can increase scavenging.
4. Its a damn truck for crying out loud!
5. Very true
6. Possibly
I might disagree with you on a lot, but I have to agree that a single exhaust can flow as good as duals. The reason why I'm doing duals is that I prefer how duals sound.
My motor is on its way out so whenever it goes I'm going to get a rebuilt unit from Jasper, and at the same time I'm going to do long tube headers, 2.25'' exhaust all the way with a x-pipe and Dynomax bullets. Probably put some 3'' tips on out the back to give it a little echo.
Elder User
Joined: May 2003
Posts: 818
Likes: 0
From: Mobile, AL
Bear River's points are valid. If you insist on numbering them to prove him wrong, at least answer all the issues aka: added restriction from additional pipe and scavenging being reduced due to the mismatched lengths of pipe if used with an X-pipe, or unequal backpressure with out. At least be honest and say "because I like the pretty tips" or "I like sound better than performance" maybe even "all the other kids are doing it." Just don't bust on a guy for trying to explain a potential flaw in a design. With that said I think dual truck tips are cool and I have done it because every else did.
You may now commence bashing me for this post.
You may now commence bashing me for this post.
