Need a quiter muffler
Thread Starter
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Posting Guru
Joined: May 2006
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From: Iowa
Need a quiter muffler
I have had a Flowmaster 50 series si/do for along time and have always loved the sound of it. Perfect bite when i get into it, but quite going down the highway.
Now i put long tube headers in and got rid of my cats, it does have the resonators, but the exhaust is far to loud. Especially when im towing.
I need to tame it back down a little bit.
What do you guys recomend? It needs to be quiter than a 50 series flow master.
Thanks
Now i put long tube headers in and got rid of my cats, it does have the resonators, but the exhaust is far to loud. Especially when im towing.
I need to tame it back down a little bit.
What do you guys recomend? It needs to be quiter than a 50 series flow master.
Thanks
Posting Guru
Joined: Mar 2006
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Maybe stick with another flowmaster and get like the 70 series or something? Seems like that's more of an "oem replacement" with a tiny bit more bite.
Dimensionally, and generally, the larger the muffler, the quieter it will be.
I don't really have any recommendations for you really b/c I don't know of much that's quieter than the 50 series outside the Flowmaster lineup.
Try magnaflow as well... but be careful as word is, they drone.
-rockstate
Dimensionally, and generally, the larger the muffler, the quieter it will be.
I don't really have any recommendations for you really b/c I don't know of much that's quieter than the 50 series outside the Flowmaster lineup.
Try magnaflow as well... but be careful as word is, they drone.
-rockstate
Junior User
Joined: Jul 2010
Posts: 95
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From: AZ
I have had a Flowmaster 50 series si/do for along time and have always loved the sound of it. Perfect bite when i get into it, but quite going down the highway.
Now i put long tube headers in and got rid of my cats, it does have the resonators, but the exhaust is far to loud. Especially when im towing.
I need to tame it back down a little bit.
What do you guys recomend? It needs to be quiter than a 50 series flow master.
Thanks
Now i put long tube headers in and got rid of my cats, it does have the resonators, but the exhaust is far to loud. Especially when im towing.
I need to tame it back down a little bit.
What do you guys recomend? It needs to be quiter than a 50 series flow master.
Thanks
Thread Starter
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Posting Guru
Joined: May 2006
Posts: 2,486
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From: Iowa
I honestly didnt do anything, i dont know if my Gryphon programer automaticaly gets rid of them or what. But i never got a CEL after i started the truck up.
My old cats looked like brand new on the inside. Couldnt believe that after 200k on the clock.
My old cats looked like brand new on the inside. Couldnt believe that after 200k on the clock.
Junior User
Joined: Jul 2010
Posts: 95
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From: AZ
Ya, I was thinking the same thing on you're programer. My truck had a blown piston and was pumping oil into the Passenger Converter bad, the guy I got the truck from just kept adding oil and driving. Truck runs good now, fixed the engine, but that converter has to be restricted. The rear o2 on that side looked like it actually melted down.
Postmaster
Joined: Oct 2009
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Don't be surprised. The cats have no moving parts, and do not wear out. They only fail if something else goes wrong, such as a rich condition. The cats will typically outlast the rest of the vehicle if the engine is kept properly tuned.
