40 series loudest Flowmaster
Hotshot
Joined: Jun 2003
Posts: 12,341
Likes: 4,366
From: SW VA
Originally Posted by cdrmotorsports
I did some research on this. The origional 40 is the loudest muffler FM makes. The 30 series is actually a race muffler that is used to quiet a car down for decibel rules. They make a 10 series as well that is even quieter.
Posting Guru
Joined: Nov 2005
Posts: 1,113
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From: the side of a mountain
the 10 series single chambers are alot louder than the 40 series. http://www.flowmastermufflers.com/race.html look where it says reduction over open headers the outlaw is the loudest and the 10 series is right under that. plus the 10 series have alot better tone than the 40 series which is kind of scratchy.
Hotshot
Joined: Jun 2003
Posts: 12,341
Likes: 4,366
From: SW VA
Better hurry up! Flowmaster Delta Race Series (10-series) for $25!
http://www.performance-curve.com/
http://www.performance-curve.com/
Posting Guru
Joined: Nov 2005
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From: the side of a mountain
i have a goerlich single chamber (a flowmaster 10 series with out the name) on my 76 and they sound really good. i tried to find people that had them before i bought them but nobody ever said anything so i just went ahead with it and i am happy i did.
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Hotshot
Joined: Jun 2003
Posts: 12,341
Likes: 4,366
From: SW VA
Goerlich's are some awesome mufflers. I love them. My friend has a couple on his built Chebby. 3" true duals from the headers back....no cats, and that thing is the loudest truck I have ever heard on the road. The day he got them installed, he came by to let me hear them. That's one of the only times I have ever needed to plug my ears!
Postmaster
Joined: Aug 2005
Posts: 2,992
Likes: 2
From: Lancaster, MA
I'm still trying to decide what to do here. I have narrowed it down to the Flowmaster origional 40, Flowmaster 10, and the Goerlichs. What'll sound the bets on my V10 crew cab? I am going SI/SO, 3.5" or 4" pipe behind the muffer, and a 24" long 4" or 5" tip at 45 degrees behind the rear tire. I want a good loud tone. I am leaning towards the 10 series, but I am still up in the air.