AFE Power ATLAS 4" Aluminized Steel Muffler Delete Pipe P17 Built-in adjustable regulator (present 10-13

Built-in adjustable regulator (present 10-13 PSI)

The oil pressure gauge's digital readout will automatically increase and decrease in intensity due to the built in ambient light sensing photocell

High Flow Rates of Fuel to Engine Longer Injector Life

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AFE Power ATLAS 4" Aluminized Steel Muffler Delete Pipe P17 Built-in adjustable regulator (present 10-1349 91003 Bring the maximum power out of your exhaust with the aFe Power Muffler Delete Pipe. This pipe is constructed out of aluminized 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.