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-Includes O-rings on most models
-Engineered to assault today's tracks and trails
The Q4 employs intricate chambers
Whether you're hitting the track or pushing limits in the dirt
Increases output from stock motor as much as 3hp
Powercore 4 HEX 042392 BETA-300RR-2016 -Includes O-rings on most modelsWhen designing the PowerCore 4 HEX, we looked at our top of the line products to deliver race inspired performance at an economical price. The end result is a quality muffler with improved torque, increased horsepower and rugged durability all at a price that won't break the bank. Overall increase in power and torque. Durable stainless steel and aluminum construction. Space Age internal packing material for maximum longevity. Internal shape of core
