Birdman: You have been inundated with info, some that you didn't really want. However, no one asked what primary size your Sanderson Headers are?

Paul

I have read all the information and have decided I am going to try flowmaster 50 series Delta Flow for rumble outside and quiet inside,  2" inch inlet/outlet with 2" exhaust and tailpipes connected to Mummerts ram horns on my 292. I get the feeling everyone participating in the subject has tried different combinations with success. I guess bottom line is, "I never met a Yblock I did not like the sound of".

Outlaw 56 F-100

Darrell Howard Whitefish, MT Outlaw 56 Ford F-100's

The one thing that all of the exhaust systems have in common is they dumped somewhere between the back of the cab and the axle.

The Hooker AeroChamber mufflers that I installed a few weeks ago are not so bad. They have developed a very thundery sound at idle. They won't get me in trouble for sound violations. I do miss the glass packs though. I have it set up so that I can swap them out in about an hour, should the need arise.


Lawrenceville, GA

Charlie,

          Might be a resonance in your tailpipes, maybe some thing silly like an extra bend or longer pipe will stop it. Also the higher end mufflers, like a three chamber Flowmaster or the Edelbrocks are a little better. But not perfect, My Flowmasters drone big time at 2000. 2 1/2" tailpipes and mufflers don't help. Better than the Pro street Ranger I have with 3" turn outs in front of the rear wheels and a 408 Windsor though.

Frank/Rebop

Bristol, In ( by Elkhart) 

Just to throw a spanner in the works, a single 3" pipe has a bigger cross section area than 2x2" dual set up

Pete, one of the Aussie mob. Beechworth, Victoria60 F100 Panel Van, Y-block. 65 Galaxie Country Sedan 390

It may not be as bad as you think.  I've always had the drone at idle.  It goes away after about 1000RPM.  After that it's just loud.  I've had h-pipe, x-pipe, and 2 into 1 exhaust, three different engine setups, and two styles of muffler.  Each one had the drone at idle, some worse than others.  I don't know if that is some statistical anomaly but that has been my experience.  I've tried glass pack and turbo style mufflers.  Glass packs have had the least annoying drone while being louder overall.  Turbo mufflers have had the most annoying drone but are much quieter overall.  I like the sound of the glass pack much more.


Lawrenceville, GA

No need to apologize.sometimes too much information is enough information.  going with the " and a pair of smithys. Drone on!   55birdman

maybe next time I should ask a technical question. Thanks to everyone who participated.

55Birdman  Hickory NC

55,

            See, you heard more than you really wanted to know. This is the problem of dealing with a bunch of old "know it alls" with too much time on their hands. Author included. Sorry, im sure you'll be totally happy with the 2" and glass packs, should sound neater tha H...!

Frank/Rebop

Bristol, In ( by Elkhart) 

I really appreciate all the input .But all I wanted to know was should i change my exhaust system from stock to a larger one when i install my headers. 55birdman

55Birdman  Hickory NC

Daniel/ Ted,

          You got it, Harley did too. Ever notice the XR's ran a 2 into one into 2 setup?

     The flattrack bikes after about 1970, (Aluminum XR's) made more torque that way, came of the corners harder. Guys tried to duplicate the older drag pipe style and managed to slow the bikes down. Went back to the factory setup immediately. The only form of racing that does not use some type of collector style exhaust to promote cylinder ehaust extraction by the engines firing order is the fuel cars. With 6000 hp and close to that in torque, I guess they feel they don't need a lot more low end! 

 The X pipe or crossover steup has it's greatest benefit on the bottom end thru midrange, with mufflers. It reduces the peak pressure of the pulses by splitting them between two mufflers. Works. 

Frank/Rebop

Bristol, In ( by Elkhart)