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Discussion Starter #1
I already have the RPI section 2 and mufflers. Stock headers with cats and stock section 1. I would like it a tad louder. I understand that RPI only now sells the GTS section 1 with resonators.

How much louder will the car be if I add the GTS section 1? Is it even worth it?
 

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It will be a little louder but nothing obnoxious.
 

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I've got the full GTS system on mine, there are a couple spots in the rev range where I'd like it to be a little quieter honestly, but overall I'm extremely happy with the setup.

Comparison vs stock


Playing around on the back roads, gets more interesting at 1:30.

 

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Discussion Starter #5 (Edited)
I guess I am trying to figure out if it's worth the extra $900 for GTS section 1. Would be cool to see a vid of someone that had RPI section 2 and 3 and then adding the GTS section 1 but I am pretty sure most people either get the full system or mufflers only.
 
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