Interesting....
Thread Starter
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Posting Guru
Joined: Dec 2001
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From: Medford USA!
Interesting....
As many of you know, I installed the Flowmaster 50 on the V10. Usually on winter blend gas here, I get 10.5-11.5 mpg in city driving. Just filled it up since the Flowmaster install and got 13 mpg city. The BEST City mpg before the FM50 was 11.9 mpg.
Is this just a fluke
Is this just a fluke
Thread Starter
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Posting Guru
Joined: Dec 2001
Posts: 1,328
Likes: 0
From: Medford USA!
Interesting....
The 50 should be a little better for torque than the 40. It is also quieter than the 40, which equates to a quieter cab noise level as well. That was more important than the exterior noise level for me. Overall sound is up about 20% on the exterior. It's not a V8 sound, but I like it.
