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21600HKR Single 2 21600HKR
Single 2" Offset Inlet, Single 2" Center Outlet
The Maximum Flow muffler produces more horsepower and torque than a 2–1/2” open pipe. The Maximum Flow flows either direction, allowing for easy installation. 
21601HKR Single 2-1/4 21601HKR
Single 2–1/4" Offset Inlet, Single 2–1/4" Center Outlet
The Maximum Flow muffler produces more horsepower and torque than a 2–1/2” open pipe. The Maximum Flow flows either direction, allowing for easy installation. 
21602HKR Single 2-1/2 21602HKR
Single 2–1/2" Offset Inlet, Single 2–1/2" Center Outlet
The Maximum Flow muffler produces more horsepower and torque than a 2–1/2” open pipe. The Maximum Flow flows either direction, allowing for easy installation. 
21605HKR Single 3 21605HKR
Single 3" Offset Inlet, Single 3" Center Outlet
The Maximum Flow muffler produces more horsepower and torque than a 2–1/2” open pipe. The Maximum Flow flows either direction, allowing for easy installation. 
21603HKR Single 2-1/4 21603HKR
Single 2–1/4" Offset Inlet, Single 2–1/4" Offset Outlet
The Maximum Flow muffler produces more horsepower and torque than a 2–1/2” open pipe. The Maximum Flow flows either direction, allowing for easy installation. 
21604HKR Single 2-1/2 21604HKR
Single 2–1/2" Offset Inlet, Single 2–1/2" Offset Outlet
The Maximum Flow muffler produces more horsepower and torque than a 2–1/2” open pipe. The Maximum Flow flows either direction, allowing for easy installation. 
21630HKR Single 3 21630HKR
Single 3" Offset Inlet, Single 3" Offset Outlet
The Maximum Flow muffler produces more horsepower and torque than a 2–1/2” open pipe. The Maximum Flow flows either direction, allowing for easy installation. 
21612HKR Single 2 21612HKR
Single 2" Center Inlet, Single 2" Center Outlet
The Maximum Flow muffler produces more horsepower and torque than a 2–1/2” open pipe. The Maximum Flow flows either direction, allowing for easy installation. 
21613HKR Single 2-1/4 21613HKR
Single 2–1/4" Center Inlet, Single 2–1/4" Center Outlet
The Maximum Flow muffler produces more horsepower and torque than a 2–1/2” open pipe. The Maximum Flow flows either direction, allowing for easy installation. 
21614HKR Single 2-1/2 21614HKR
Single 2–1/2" Center Inlet, Single 2–1/2" Center Outlet
The Maximum Flow muffler produces more horsepower and torque than a 2–1/2” open pipe. The Maximum Flow flows either direction, allowing for easy installation. 
21606HKR Single 3 21606HKR
Single 3" Center Inlet, Single 3" Center Outlet
The Maximum Flow muffler produces more horsepower and torque than a 2–1/2” open pipe. The Maximum Flow flows either direction, allowing for easy installation. 
21609HKR Single 4 21609HKR
Single 4" Offset Inlet, Single 4" Offset Outlet
The Maximum Flow muffler produces more horsepower and torque than a 2–1/2” open pipe. The Maximum Flow flows either direction, allowing for easy installation. 
21608HKR Single 2-1/4 21608HKR
Single 2–1/4" Center Inlet, Dual 2–1/4" Outlets
The Maximum Flow muffler produces more horsepower and torque than a 2–1/2” open pipe. The Maximum Flow flows either direction, allowing for easy installation. 
21607HKR Single 2-1/2 21607HKR
Single 2–1/2" Center Inlet, Dual 2–1/2" Outlets
The Maximum Flow muffler produces more horsepower and torque than a 2–1/2” open pipe. The Maximum Flow flows either direction, allowing for easy installation. 
21800HKR Single 3 21800HKR
Single 3" Center Inlet, Dual 2–1/4" Outlets
The Maximum Flow muffler produces more horsepower and torque than a 2–1/2” open pipe. The Maximum Flow flows either direction, allowing for easy installation. 
21801HKR Single 3 21801HKR
Single 3" Center Inlet, Dual 2–1/2" Outlets
The Maximum Flow muffler produces more horsepower and torque than a 2–1/2” open pipe. The Maximum Flow flows either direction, allowing for easy installation. 
21802HKR Single 2-1/4 21802HKR
Single 2–1/4" Center Inlet, Dual 2–1/4" Outlets
The Maximum Flow muffler produces more horsepower and torque than a 2–1/2” open pipe. The Maximum Flow flows either direction, allowing for easy installation. 
21803HKR Single 2-1/2 21803HKR
Single 2–1/2" Center Inlet, Dual 2–1/4" Outlets
The Maximum Flow muffler produces more horsepower and torque than a 2–1/2” open pipe. The Maximum Flow flows either direction, allowing for easy installation. 
21804HKR Single 2-1/2 21804HKR
Single 2–1/2" Center Inlet, Dual 2–1/2" Outlets
The Maximum Flow muffler produces more horsepower and torque than a 2–1/2” open pipe. The Maximum Flow flows either direction, allowing for easy installation. 
21810HKR Dual 2-1/4 21810HKR
Dual 2–1/4" Inlets, Dual 2–1/4" Outlets
The Maximum Flow muffler produces more horsepower and torque than a 2–1/2” open pipe. The Maximum Flow flows either direction, allowing for easy installation. 
21610HKR Single 3 21610HKR
Single 3" Offset Inlet, Single 3" Offset Outlet
The Maximum Flow muffler produces more horsepower and torque than a 2–1/2” open pipe. The Maximum Flow flows either direction, allowing for easy installation. 
21611HKR Single 3 21611HKR
Single 3" Offset Inlet, Single 3" Center Outlet
The Maximum Flow muffler produces more horsepower and torque than a 2–1/2” open pipe. The Maximum Flow flows either direction, allowing for easy installation. 
Maximum Flow



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