Powercore 4 Hex Exhaust Silencer 10-18 Beta RR 350 390 400 430 450 480 498 520 - FMF 045521

The FMF Powercore 4 HEX slip-on exhaust is engineered for riders seeking impressive race-inspired performance paired with lasting durability—all at a budget-friendly price. Drawing from FMF’s top-tier designs, this system features Hi-Flo core technology and an innovative internal packing material, providing significant gains in both torque and horsepower. Constructed from robust stainless steel and aluminium, the Powercore 4 HEX delivers improved exhaust flow, enhanced throttle response, and a distinct exhaust note. A removable spark arrestor is included for added versatility.

Features

• Notice: Closed Course Use Only


• Race-inspired design delivers increased power and torque


• Lightweight, corrosion-resistant aluminium and stainless steel construction


• Internal Space Age packing for extended longevity


• Hi-Flo core maximises exhaust flow


• Natural finish for durable aesthetics


• Removable screen-type spark arrestor included


• Compatible with separately sold quiet insert


• Weighs just 5.7 lbs (approx 2.6 kg)

Specifications

• Item ID: 045521


• Type: Slip-On


• Configuration: Single


• Construction: Aluminium


• Finish: Natural


• Midpipe: Stainless Steel


• Endcap: Stainless Steel


• Spark Arrestor: Screen insert (included)


• Carb Warning: No


• Quiet Insert: Sold separately


• Weight: 5.7 lbs

Vehicle Fitment

BETA

• RR 350 (2010, 2012–2014, 2016–2018)


• RR 390 (2017–2018)


• RR 400 (2010–2014)


• RR 430 (2017–2018)


• RR 450 (2010–2014)


• RR 480 (2017–2018)


• RR 498 (2010–2014)


• RR 520 (2010–2014)