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FMF Powercore 4 — HEX Slip-On (045666)

Part # 045666
Item #357880
Fits 4 motorcycles
  • Beta
    • 350RR · 2020–2026
    • 390RR · 2020–2026
    • 430RR · 2020–2026
    • 480RR · 2020–2026
$404.99
/
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  • In stock, ready to ship
  • Backordered, shipping soon
  • Flat $10 U.S. shipping, free over $100
  • Ships from one of three U.S. warehouses
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WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov
FMF PowerCore 4 HEX Slip-On — Beta 350RR (2020-2026), Beta 390RR (2020-2026) + 2 more, 4-Stroke
Product Details

The PowerCore 4 HEX is the hexagonal-canister version of FMF's proven 4-stroke slip-on. The hex shape adds rigidity and a modern look while keeping the same straight-through, mid-range-focused tuning the PowerCore 4 is known for.

  • Hexagonal aluminum canister — added rigidity and modern look
  • Direct 4-stroke slip-on
  • Stainless endcaps and stinger
  • Tuned for mid-range gain over stock
  • Repackable

This is a 4-stroke exhaust. It is engineered for the 4-stroke engine architecture above and physically will not fit a 2-stroke bike. Verify your engine type before purchase.

Fitment

  • Beta 350RR 2020–2026
  • Beta 390RR 2020–2026
  • Beta 430RR 2020–2026
  • Beta 480RR 2020–2026

Specifications

System TypeSilencer
MaterialStainless steel and aluminum
TechnologyHi-Flo Technology
Spark ArrestorRemovable (included)
Street LegalityClosed-course / competition use only (CARB-restricted)
Best ForRace-only / Closed-course, Off-road / Trail

Verified from Garamoto’s catalog & fitment data.

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