4" or 5" Exhaust
#1
4" or 5" Exhaust
I'm in the market for a new turbo back system for my rig, now i know there are endless amounts of topics about this but i wanted to make my own. So basically i want to know the differences in basically the sound between the 2 sizes keep in mind i will be goin with turbo back. also if there is benefits of one.
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