I've no doubt that my GTAs are getting louder after the eight months I've had them. Can this be true; does anyone know a reason why this could happen?

 

they do improve in sound, during the first
6 months or so after install......why it is
who knows....

i love my gta's!

 

Yeah me too, I'm not complaining. They're getting better and better with age. Just like me.

 

Yes, mine did the same thing. I liked the sound when I first put them on, but now they even have a better sound. I love going under an overpass or thru a tunnel, I roll the windows down and punch it a little to hear the sound bounce off the walls.

 

<drooling...> That must mean my Stingers/GT's will get louder. I installed them about 4 weeks ago.

Rick
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No drone I hope...

 

Same with my Flowmasters. Sound under a bridge, great. Sound in a tunnel, fantastic. Setting off alarms in a garage, priceless.

 

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Mufflers tend to get a bit louder after a few hundred miles of breakin period. Obviously it takes some people longer to get to that point than others. My corsa's did it.

 

Muffler packing......is getting compressed over time.