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Old 05-03-2008, 10:53 PM
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1971Chall
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Default RE: Mopar Performance Parts (Cont)

Since the wraps are off the car now I have the info on all the factory exhaust systems that the car is being produced with. The manual trans cars wll have bigger pipe than the automatics. The stick cars have 2 3/4" pipe and will be louder than the automatics. I need to check my info but I believe there are no resonators in the stick cars. The R/T automatic gets 2 1/4" pipe and the SRT-8 automatic gets 2 1/2" pipe. Both automatic cars are using resonators along with the mufflers. You are correct in that the stick car is just going to border the legal sound limits the factory can put out. The automatic cars will be quieter. If anyone is looking for specifics let me know and I will get them.