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Hey. Looking at other posts it looks like you have an LS. Single exhaust set-up from factory. While the swap "can" be conducted at home you probably need a way to cut pipes and re-connect them. That assembly (as does other dual set-ups) feed from a single pipe to the duals. How are you going to exit them from under the car? The RS and the Premier have a rear valance for dual exhaust that you can swap out with minimal effort. (OEM Bumper & Components - Rear for 2018 Chevrolet Malibu | GMPartsCenter.net)
Effectively the cost of doing the swap changes drastically when you add the rear valance. Maybe searching a local junk-yard or "pick-n-pull" will net you a better deal. If you find something there you might even be able to pull the exhaust as well...
Effectively the cost of doing the swap changes drastically when you add the rear valance. Maybe searching a local junk-yard or "pick-n-pull" will net you a better deal. If you find something there you might even be able to pull the exhaust as well...
