My question for everyone is i have a quite large muffler on my Car will the spl tiles make the noise of my muffler go completely away (its 4 inch muffler with stock piping)? Any one here have a huge exhaust that they used the spl tiles on. Id love some feedback. I know i could take the muffler off but since i bought the car with it id rather leave it alone. I know that a 80 pack of spl tiles will help but if its not going to take most of all the exhaust noise away then id like to know.
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