Quote:
Originally Posted by Jnicho
OK, I know there is a ton of info/opinion on this and I've read a lot of it. To that end I will try to keep this on the straight and narrow. My fiancee wants her new SS to sound louder/tougher than it does with the weak exhaust system GM put on at the factory. It's the L99/auto which has AFM. As the car is brand new we will not be risking voiding the warranty by turning AFM off. From what I've read I think I've decided on the axle back Solo J-pipe setup as the best option for sound/drone/AFM annoyance. Before I run out and buy something I wanted to get any opinions y'all might have on getting the best sound out of the L99 with AFM still on. I'm not going to do anything as major as high flow cats, etc. Options have to be some type of muffler delete, axle back or cat back/X-pipe type systems or variants there of.
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1. Range device to avoid AFM
2. Axle back of your choice from Borla, Flowmaster, Etc.
3. X pipe in place of the factory resonator.
AFM with any axle back sounds terrible. I have a custom X pipe in place of the resonator and I have a Cherry Bomb Extreme Axle back on mine. I love how it sounds, but I do not have any vids of it. If you YouTube Camaro SS with Cherry Bomb Extreme, you will see a vid of a Black SS and mine sounds just like it.
You will not really get any power gains from these mods, but sound and that is totally worth it. These are too quiet from the factory! If I had it to do over I would retrofit the NPP to my car and call it done, but that is another story.
