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Best size of exhaust for 70 Bee

roryMcK

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Mar 11, 2009
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I just wanted some of your professional opinions. What would be the best diameter for my 70 Bee (currently being restored) with a 383 that is basicly stock and 4 spd?
 
Most definetely, the TTI system is absolutely beutiful, very nice, professional kit, you should throw on their amzaing headers too, itll be expensive but if your doing a restoration might as well have nice parts.
 
I believe the 383's came with a 2.25 to the muffler then 2" out the back. Hemis and 440's had 2.5 to the mufflers and 2.25 out the back. Seems the Mopar engineers figured the exhaust gasses had cooled and condensed enough by the time it got through the mufflers, to keep the velocity up it was necessary to make the tail pipes a smaller diameter.
 
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