When 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 uses Hi-Flo technology.
-Enhanced sonic evacuation provides for higher flow and increased power.
-Includes removable spark arrestor.
-Can be used with FMF or Stock OEM Header
Fits 2010-2019 350/390/400/430/450/480/498/520 RR/RS models. For Closed Course Competition Use Only. Not Intended for Street Use. Dimensional weight listed.
FMF Beta RR|RS|RR-S (10-19) Powercore 4 Hex Slip-On
Produced by FMF of USA