Fits 1987-1993 Mustang GT Only Varitune Full Cat Back Exhaust System-3002 fenders-and-flares 7L V8 2019-2023 Dodge Challenger

7L V8 2019-2023 Dodge Challenger Scat Pack 392 392/6

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Fits 1987-1993 Mustang GT Only Varitune Full Cat Back Exhaust System-3002 fenders-and-flares 7L V8 2019-2023 Dodge ChallengerBBK Varitune cat back exhaust systems feature BBK Varitune mufflers that have a patented adjustable power valve inside that allows full adjustment of the exhaust flow through the mufflers chambers for a great sound and added performance. This adjustment is made at the rear of the muffler with a wrench by either moving the valve in or out. Once you are happy with the level of sound, it is locked in place with the Varitune locking nut. All of the