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s out of the way of engine components
Cast Stator
Bolt-on Installtion
The air provided to the engine now has greater density and makes more power than the warmer engine bay air because it is drawn from outside the engine compartment
AFE 49-91004 4" Mach Force XP Stainless Steel Muffler Delete Pipe 2017-2019 Chevy/GMC Duramax 6.6 L5P s out of the wayBring the maximum power out of your exhaust with the aFe Power Muffler Delete Pipe. This pipe is constructed out of 409 stainless steel and is used to eliminate the 4" In Out muffler used in most factory or performance 4" exhaust systems. You will love the aggressive exhaust note of a 4" system with no muffler while maximizing exhaust flow, throttle response and performance. This pipe fits most 4" exhaust systems. Features: 409 Stainless Steel 4"