It will not get louder. Best mod to date for me also.
I have a borla catback with ar25.
I think its perfect. Since the borla is louder than the dinan but not as obnoxious loud like the gruppe m x offs . It's just quiet enough where you can be civil and still let out a loud bark.
"I never met a girl that make me feel like you do,..you're alright...Whenever I'm asked who makes my dreams real, I say that you do, you're alright..
Baby, baby, baby.. I'm bringing you a love that's true..Baby, baby, baby.. I'm bringing you a love that's true.."
Bimmerfest BBQ 2014