aFe ATLAS 4in DPF-Back Alum Steel Exhaust System w/Dual Exit Black Tip 2017 GM Duramax 6.6L (td) - 49-04086-B fits_1988-1993`BMW`3 Series The smooth one-piece sealed housing

The smooth one-piece sealed housing is used to eliminate the use of multiple-piece housings and ensure the coolest air intake charge available

Dyno tested and produced significant power increases of +44 HP / +73 lbs

The 458 in stock formation is a testament from Ferrari's F1 technology

FRONT REAR SPRING RATES 8k 5k UPPER MOUNT Hardened Rubber OEM Application Notes:

Finished in wrinkle black powder coating with a unique laser-etched aFe POWER logo for a custom look

aFe ATLAS 4in DPF-Back Alum Steel Exhaust System w/Dual Exit Black Tip 2017 GM Duramax 6.6L (td) - 49-04086-B fits_1988-1993`BMW`3 Series The smooth one-piece sealed housingInterested in a new exhaust system for your L5P Duramax? Check out the ATLAS dual DPF Back exhaust system by aFe. This system is constructed from 4" mandrel bent aluminized steel tubing and uses high quality band clamps and OE style bayonet hangers. This unit uses all factory mounting locations and comes with a bolt on bracket that supports the driver side tailpipe. This provides for a quick, hassle free installation with no modification necessary.