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Re: Quietest exhaust possible for 440?
[Re: 3hundred]
#1571207
01/31/14 02:15 AM
01/31/14 02:15 AM
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Joined: May 2008
Posts: 5,399
Aurora, Colorado
451Mopar
master
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master
Joined: May 2008
Posts: 5,399
Aurora, Colorado
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Quote:
1971 Imperial mufflers used to be highly touted for your purposes. Quiet without too much effect on power.
Robert
I bought some Walker Quiet Flow SS mufflers for the Convertible. They are supposed to fit a Imperial.
I am going to use them to replace the Super Turbo mufflers that came with the TTI exhaust system, but it is not going to be as easy as I thought. The Imperial sized mufflers are longer than the Super Turbo mufflers, and for them to sit up in the recessed floor pan area, the rear hanger will need to be moved back some and the in and out pipe will be shortened. I am going to weld collector flanges to the muffler outlet and tailpipe for two reasons, the pipes need to be pretty short for the longer muffler, and it will make removing the exhaust easier for transmission service.
If the weather is not too bad, and I'm not working weekends I should have it done in a few weeks. This week I'm rebuilding the Dana 60 with 3.54:1 gears. Anyone need some 4.10:1 gears 
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