The MagnaFlow PRO DPF Series 17870 utilizes it's weight-optimized, durable, corrosion resistant stainless steel design to enhance your truck with MagnaFlow’s signature sound and dyno-tested performance. 17870’s 5in. diameter mandrel bent main piping features a muffler delete and terminates in a Single Passenger Side Rear exit with 6in. Polished Welded-Single Wall-Angle Cut-Rolled Edge-Intercooled tips. This emissions-legal filter-back exhaust kit has been tuned to create Mild interior and Moderate exterior sound levels. Exhaust system 17870 is emissions-legal and produced using CNC precision robotic manufacturing techniques that result in a direct-fit design that you can install yourself, all backed by MagnaFlow’s limited lifetime warranty.
User 1
Installation Instructions


This Part Fits:

Year	Make	Model	Submodel
2021-2024	Chevrolet	Silverado 2500 HD	Custom
2015-2024	Chevrolet	Silverado 2500 HD	High Country
2007-2024	Chevrolet	Silverado 2500 HD	LT
2007-2024	Chevrolet	Silverado 2500 HD	LTZ
2007-2024	Chevrolet	Silverado 2500 HD	WT
2024	Chevrolet	Silverado 2500 HD	ZR2
2015-2024	Chevrolet	Silverado 3500 HD	High Country
2007-2024	Chevrolet	Silverado 3500 HD	LT
2007-2024	Chevrolet	Silverado 3500 HD	LTZ
2007-2024	Chevrolet	Silverado 3500 HD	WT
2020-2024	GMC	Sierra 2500 HD	AT4
2024	GMC	Sierra 2500 HD	AT4X
2015-2021	GMC	Sierra 2500 HD	Base
2011-2024	GMC	Sierra 2500 HD	Denali
2024	GMC	Sierra 2500 HD	Denali Ultimate
2022-2024	GMC	Sierra 2500 HD	Pro
2007-2024	GMC	Sierra 2500 HD	SLE
2007-2024	GMC	Sierra 2500 HD	SLT
2007-2014	GMC	Sierra 2500 HD	WT
2020-2024	GMC	Sierra 3500 HD	AT4
2015-2021	GMC	Sierra 3500 HD	Base
2011-2024	GMC	Sierra 3500 HD	Denali
2024	GMC	Sierra 3500 HD	Denali Ultimate
2022-2024	GMC	Sierra 3500 HD	Pro
2007-2024	GMC	Sierra 3500 HD	SLE
2007-2024	GMC	Sierra 3500 HD	SLT
2007-2014	GMC	Sierra 3500 HD	WT