Hi Stephanie, you'll need to buy your own parts and they will install. As far as how much it will cost you depends on if it's just the muffler that needs replacing. But they have very reasonable prices, I'd say you're looking to pay between $50 to $200 dollars if the entire exhaust system needs replacing. Take a ride to the shop, they will put your car on the lift, tell you exactly what parts you need, and give you a price on the work.
Not sure but it's cheap! Call them I had brakes put on for $50
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