Exhaust question on 3.5l twin turbo
07-22-2016, 08:53 PM
#1
Senior Member
Thread Starter
Exhaust question on 3.5l twin turbo
Hey guys, I have a fast question. I have the 3.5 ecoboost and I was thinking about a new exhaust. The problem is I don't have enough experience and was hoping that someone could help answer a few questions for me as my goal is to get a little better sound with no droning as I take long trips with this truck 
1. I see that the trucks come with something called a resonator. Is it recommended to keep this on?
I have seen some people say that they have removed this component and some have left it on. I am wanting to not have any droning in the cab (that loud noise).
2. If I replace the exhaust with say a flowmaster 40 series can I keep the resonator?
3. Currently there is a 3 inch pipe (i think 3 inch or 3.25). The new exhausts have single in and dual out which are both 2.5. I am thinking that this would be better than a single because the exhaust is pushed through both (again I dont have enough experience with this).
4. Is any of this recommended on a twin turbo? I have read some things that changing the exhaust can cause back pressure and damage the turbo blades or the turbo itself.
TIA
1. I see that the trucks come with something called a resonator. Is it recommended to keep this on?
I have seen some people say that they have removed this component and some have left it on. I am wanting to not have any droning in the cab (that loud noise).
2. If I replace the exhaust with say a flowmaster 40 series can I keep the resonator?
3. Currently there is a 3 inch pipe (i think 3 inch or 3.25). The new exhausts have single in and dual out which are both 2.5. I am thinking that this would be better than a single because the exhaust is pushed through both (again I dont have enough experience with this).
4. Is any of this recommended on a twin turbo? I have read some things that changing the exhaust can cause back pressure and damage the turbo blades or the turbo itself.
TIA
07-22-2016, 11:52 PM
#2
1. You don't have to remove the resonator and I wouldn't recommend removing it with a V6 as the sound just isn't impressive. It makes the exhaust slightly quieter.
2. Depends. If you have the crew cab, I think you can keep the resonator with the Flowmaster exhaust. I removed mine and it's sometimes annoying with how loud it is and have debated having it put back on.
3. You won't have to worry about back pressure as the extra pipe will make up for the fact that most aftermarket mufflers have less restriction on the inside.
4. Plenty of people change out their exhaust on a twin turbo, don't stress. All in all, the Flowmaster system breathes better than stock exhaust.
2. Depends. If you have the crew cab, I think you can keep the resonator with the Flowmaster exhaust. I removed mine and it's sometimes annoying with how loud it is and have debated having it put back on.
3. You won't have to worry about back pressure as the extra pipe will make up for the fact that most aftermarket mufflers have less restriction on the inside.
4. Plenty of people change out their exhaust on a twin turbo, don't stress. All in all, the Flowmaster system breathes better than stock exhaust.
07-23-2016, 07:31 AM
#3
Senior Member
Thread Starter
1. You don't have to remove the resonator and I wouldn't recommend removing it with a V6 as the sound just isn't impressive. It makes the exhaust slightly quieter.
2. Depends. If you have the crew cab, I think you can keep the resonator with the Flowmaster exhaust. I removed mine and it's sometimes annoying with how loud it is and have debated having it put back on.
3. You won't have to worry about back pressure as the extra pipe will make up for the fact that most aftermarket mufflers have less restriction on the inside.
4. Plenty of people change out their exhaust on a twin turbo, don't stress. All in all, the Flowmaster system breathes better than stock exhaust.
2. Depends. If you have the crew cab, I think you can keep the resonator with the Flowmaster exhaust. I removed mine and it's sometimes annoying with how loud it is and have debated having it put back on.
3. You won't have to worry about back pressure as the extra pipe will make up for the fact that most aftermarket mufflers have less restriction on the inside.
4. Plenty of people change out their exhaust on a twin turbo, don't stress. All in all, the Flowmaster system breathes better than stock exhaust.
07-23-2016, 07:55 AM
#4
Senior Member
If you search there is a thread on this forum that includes sound clips including removal of resonator
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Dave Goldman (07-24-2016)
07-23-2016, 09:49 AM
#5
Unless you want your truck to sound like a ricer, I would leave your exhaust alone and listen to the piped in V-8 noise through the speakers.
There's just not much you can do to improve the sound.
There's just not much you can do to improve the sound.
The following users liked this post:
Dave Goldman (07-24-2016)
The following users liked this post:
Dave Goldman (07-24-2016)
07-23-2016, 04:35 PM
#7
Senior Member
Spend the money on a down pipe and new cac and get some benefit from your money!!!
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Dave Goldman (07-24-2016)
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07-24-2016, 10:46 AM
#8
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