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Cat back or axle back?
I see lots of talk about cat back and axle back system. The big question, is there any power to gain from these systems? Is it just too make the car sound louder than stock? I see a lot of these systems out for the Camaro, but no one is claiming power increase. I would like to make mine louder, but not obnoxious. If there was an extra 10 hp to 15 hp from a cat back then it would be worth the extra $$$. Any thoughts??
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