Quote:
Originally Posted by ST1LE
They make the tone deeper and cut out a lot of rasp. Loudness levels are very similar, but make no mistake there is noticeable sound difference.
We are all different on what we like, but I do NOT like the sound of a catless Camaro. This is primarily on the stock NPP, which is raspy to begin with, so other axleback systems may be better but then its getting too loud for my taste.
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High flow cats do not make a deeper tone. Lets just clear that up. The only difference between catless and high flow cats is a VERY VERY mild decrease in sound. I ran high flow cats on my setup for a year and just recently removed them, the difference is barely noticeable. There is a difference in sound between no cats and stock cats, but its just volume, no tone difference.