what is beter flowmaster or magnaflow or what?
Senior Member
Joined: Feb 2004
Posts: 10,390
Likes: 10
Hello & welcome.
Both Fartmaster & Magnaflow offer very loud variants, and each has it's own unique, very personal and subjectively appreciated sound. What is considered 'drone' to some is music to others ...
Generally speaking, the larger the internal volume of the muffler canister, the quieter it is ...
I will offer this in terms of a performance perspective, though ... excerpted from this post: https://www.f150online.com/forums/1754796-post2.html
Hi Trriton 2,
... Though it's not an absolute must, yes, we do recommend getting rid of the "Slowmaster" muffler and replacing it with an appropriate Magnaflow unit - that will help to improve torque. Now exactly which muffler you use will depend on what kind of sound characteristics you want, so that's why you need to call, so we can go over all of that with you. It's not just length alone, for example.
What that Flowmaster setup is doing is actually *reducing* torque on part throttle at any rpm, and reducing torque below about 3000 rpm a at any throttle position - and that is due to all those silly baffles & chambers they use as part of their "sound engineering" - all they are is impediments to airflow, and slow down exhaust gas velocity, which is why you don't see much in the way of HP gains form them, and actually lose torque, especially in the lower rpm ranges. When it comes to torque, exhaust gas *velocity* is absolutely key. ...
... Though it's not an absolute must, yes, we do recommend getting rid of the "Slowmaster" muffler and replacing it with an appropriate Magnaflow unit - that will help to improve torque. Now exactly which muffler you use will depend on what kind of sound characteristics you want, so that's why you need to call, so we can go over all of that with you. It's not just length alone, for example.
What that Flowmaster setup is doing is actually *reducing* torque on part throttle at any rpm, and reducing torque below about 3000 rpm a at any throttle position - and that is due to all those silly baffles & chambers they use as part of their "sound engineering" - all they are is impediments to airflow, and slow down exhaust gas velocity, which is why you don't see much in the way of HP gains form them, and actually lose torque, especially in the lower rpm ranges. When it comes to torque, exhaust gas *velocity* is absolutely key. ...
Good luck!
MGD v5.0
Hello & welcome.
Both Fartmaster & Magnaflow offer very loud variants, and each has it's own unique, very personal and subjectively appreciated sound. What is considered 'drone' to some is music to others ...
Generally speaking, the larger the internal volume of the muffler canister, the quieter it is ...
I will offer this in terms of a performance perspective, though ... excerpted from this post: https://www.f150online.com/forums/1754796-post2.html
You decide
Good luck!
MGD v5.0
Both Fartmaster & Magnaflow offer very loud variants, and each has it's own unique, very personal and subjectively appreciated sound. What is considered 'drone' to some is music to others ...
Generally speaking, the larger the internal volume of the muffler canister, the quieter it is ...
I will offer this in terms of a performance perspective, though ... excerpted from this post: https://www.f150online.com/forums/1754796-post2.html
You decide
Good luck!
MGD v5.0
And the more I think about it I am liking the super quiet exhaust sound, Its nice to be able to hear my own brain think! But then again_on the other hand I want to hear the roar of the monster under the hood!
Senior Member
Joined: Apr 2004
Posts: 13,679
Likes: 84
From: missing Texas...
magnaslow sounds like poop on a stick (minus the stick) at any RPM, sure on the dyno sheets it shows like 3 hp over the slowmaster when revved to 6000 + rpms
on the same dyno sheets the borla xr-1 and xs pro mufflers out performed all the other brands but the magnaflow following is huge on this forum and what you'll see shortly when that's the #1 brand you are told to use
honestly, you need to get on you tube and watch sound clips (I know internet sucks compared to real life where you feel and hear the exhaust sounds) and then once you find a truck you like the soudn of you can copy that exhaust
on the same dyno sheets the borla xr-1 and xs pro mufflers out performed all the other brands but the magnaflow following is huge on this forum and what you'll see shortly when that's the #1 brand you are told to use
honestly, you need to get on you tube and watch sound clips (I know internet sucks compared to real life where you feel and hear the exhaust sounds) and then once you find a truck you like the soudn of you can copy that exhaust
Senior Member
Joined: Feb 2004
Posts: 10,390
Likes: 10
Took the resident Borla guy long enough to show up
I can see clear through either of them -
Besides, can't afford Borla in Canuckistan
MGD v5.0
magnaslow sounds like poop on a stick (minus the stick) at any RPM, sure on the dyno sheets it shows like 3 hp over the slowmaster when revved to 6000 + rpms
on the same dyno sheets the borla xr-1 and xs pro mufflers out performed all the other brands but the magnaflow following is huge on this forum and what you'll see shortly when that's the #1 brand you are told to use
honestly, you need to get on you tube and watch sound clips (I know internet sucks compared to real life where you feel and hear the exhaust sounds) and then once you find a truck you like the soudn of you can copy that exhaust
on the same dyno sheets the borla xr-1 and xs pro mufflers out performed all the other brands but the magnaflow following is huge on this forum and what you'll see shortly when that's the #1 brand you are told to use
honestly, you need to get on you tube and watch sound clips (I know internet sucks compared to real life where you feel and hear the exhaust sounds) and then once you find a truck you like the soudn of you can copy that exhaust
Trending Topics
Senior Member
Joined: Feb 2009
Posts: 674
Likes: 0
From: Almost Heaven
Agreed. If all you are going to change is the exhaust itself you should go with the sound you like best because you will be hard pressed to notice the "losses", but that's just my opinion based on my own MBRP and Flowmaster experiences.
