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Does anybody have more information about this option and how it compares to the standard exhaust sound withot this option? There is a video of an A45 over on this forum that you can listen to and I'm hoping someone from this forum is able to shed some light regarding the difference. Thank you!
 

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Does anybody have more information about this option and how it compares to the standard exhaust sound withot this option? There is a video of an A45 over on this forum that you can listen to and I'm hoping someone from this forum is able to shed some light regarding the difference. Thank you!
The performance exhaust sounds like a rally car on roids, as you've probably heard. There's a clip on youtube (search A45 and scroll down like 6 or 7 vids) of a guy in London driving his new A45 through the streets. I'm certain he has the standard exhaust because of the mellow sound and dual (not quad) exhaust tips.
 

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The only stated difference in the CLA45 Order Guide for the performance exhaust is "enhanced exhaust sound." The variable vane modulation and the 4 tip outlet design are common for all CLA45's. On many newer sports cars, the "enhanced exhaust sound" is a feature in the car stereo system to artificially make the exhaust note sound better inside the car, not louder outside. Porsche, BMW and several others are already doing this. I don't think we have enough details at this time to definitively say whether this is electronically enhanced sound through the stereo system or a mechanical difference in exhaust hardware components. I would strongly suspect its the electronically enhanced sound. We will likely need somebody with an A45 to step forward or perhaps reach out to AMG and see if they will provide an explanation.
 
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