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Greetings Men - I've had a 2012 300 SRT for about 3 weeks now and just do not like how loud it is. It has headers and 3" flowmaster all the way back. Got rid of most of the resonance from the tin can resonator with a packed x-cross resonator. It's still just too darn loud and when it switches to mds the big 4 cylinder with the big pipes sound like a flat tuba. So with the flowmaster mufflers right at the back would any of you guys have suggestions on what would calm this down to something a little more lively that stock?

Side note is the 1/1 o2 sensor is faulting on and off but mostly on? Change the exhaust first? I have my intune ready from my 2013 5.7 when all this is cleared up.

Thanks, Jeff
 
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