Hellaflush
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- Thread starter
- #1
I want a new cat back exhaust for my 10 speeds 2021 mustang gt. Curious on how loud are the FP by Borla extreme and Borla S type inside the car while cruising? Will the cold start waking up the neighbors?. I definitely want something that have better tone and louder than my x pipe resonator delete/ stock mufflers.
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