Do you run headers ?

[Groucho]

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Not trying to argue what so ever. No need to get like that. Just going by my personal experiences. Plus its a interesting topic!!

Years and years ago I was heavy into the little 5.0 Mustangs. Man those things were FUN!
It was very very common to throw a set of 2 Chamber Flowmasters on these things when new. Some guys out there hated the drone at cruising RPMS of Flowmasters. Well guess what really helped that? Yip, aftermarket headers. Every time we would install aftermarket headers the drone at 2k rpm was much more tolorable. Actually the drone was still there it just went to a different RPM. But at wide open throttle and at idle the sound was louder with headers. That is my experience with changing the air flow coming out a V8. Because that is all we are talking about here is changing the air flow....

[/ QUOTE ]I thought those Mustangs had tube exh. manifolds?