MagnaFlow D-Fit Muffler Replacement 409 SS 3.5in 19-21 GMC Sierra 1500

Replace the restrictive factory muffler, while maintaining the OEM piping and tailpipe.
Installation Instructions


This Part Fits:

Year	Make	Model	Submodel
2020-2021,2023	Chevrolet	Silverado 1500	Custom Trail Boss
2019-2024	Chevrolet	Silverado 1500	High Country
2020-2024	Chevrolet	Silverado 1500	LT Trail Boss
2019-2024	Chevrolet	Silverado 1500	LTZ
2020-2024	Chevrolet	Silverado 1500	RST
2022-2024	Chevrolet	Silverado 1500	ZR2
2022	Chevrolet	Silverado 1500 LTD	Custom Trail Boss
2022	Chevrolet	Silverado 1500 LTD	High Country
2022	Chevrolet	Silverado 1500 LTD	LT Trail Boss
2022	Chevrolet	Silverado 1500 LTD	LTZ
2022	Chevrolet	Silverado 1500 LTD	RST
2019-2024	GMC	Sierra 1500	AT4
2022-2024	GMC	Sierra 1500	AT4X
2019-2024	GMC	Sierra 1500	Denali
2022-2024	GMC	Sierra 1500	Denali Ultimate
2019-2024	GMC	Sierra 1500	SLT
2022	GMC	Sierra 1500 Limited	AT4
2022	GMC	Sierra 1500 Limited	Denali
2022	GMC	Sierra 1500 Limited	SLT