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Originally Posted by XfireZ51
Thanks. I plan on leaving cats on. Not convinced that modern design cats rob very much power.
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There is a measurable difference, all be it a slight one. Adding an x-pipe will also make a small difference in HP & louder sound. All in all using cats will help to reduce the db level if that is what you would prefer.
I am sure you are happy with the look as well as the new exhaust note.
