Quote:
Originally Posted by 67 GTO
I just had the GMPP axle back installed on my 2LT I'm pleased with the results. A little pricey, I paid $861 installed at my dealer. Sounds better than stock for sure. When first driving, I was concerned about cabin drone, you can hear these at lite acceleration in the cab but they settle out when cruising.
Sound very good at WOT. You won't mistake it for a LS3, nor a import with a coffee can. It has a nice low pitch.
I would reccomend.
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Would you mind doing a video clip of the sound of your new GM catbacks at idle and a few revs. I’m thinking those are the ones I want, but not sure until I hear them.
