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I've got a question about summit racing dual exhaust. They have 2 1/2 inch dual exhaust and 3 inch. What would be good for a street car that sees some strip time with a 350 2 1/2 or 3? What is the power level when 2 1/2 won't cut it and you need 3? One last question I don't like turbo mufflers so I want a deep race car sound without getting pulled over. What is the difference between chambered muffler like SUM-633253 and 2 tube muffler like SUM-639253; which one is like a flowmaster? thanks roy:chev:
 

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Go with the 2.5. I think it will support up to 500 HP. Go with the Force automotive mufflers $30 from Summit. Exactly the same as a Flowmaster 2 chamber. We just got done comparing them side by side!
 

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I agree, 2.5 I also got the force mufflers, look like the original flowmaster design. Cheap!

Miles:D
 
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