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Big Gun EVO-R Slip-On Muffler — KTM 450 SX / 505 SX (2009-2013), 4-Stroke

Part # 09-3512
Item #980147
Fits 2 motorcycles
  • KTM
    • 450 SX · 2009-2013
    • 505 SX-F · 2009-2013
$368.99
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WARNING: Cancer and Reproductive Harm, www.P65Warnings.ca.gov
Big Gun EVO-R Slip-On Muffler — KTM 450 SX / 505 SX (2009-2013), 4-Stroke
Product Details

The EVO-R slip-on is the muffler-only version of Big Gun's flagship race series. Hard-anodized 6061 aluminum oval canister with a TIG-welded reinforced bracket, paired with a removable USFS-approved screen-type spark arrestor. Bolts to the OEM head pipe.

  • Hard-anodized 6061 aluminum oval muffler
  • TIG-welded reinforced bracket
  • USFS-approved removable screen-type spark arrestor
  • Bolts to OEM head pipe
  • Closed-course / competition use

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

  • KTM 450 SX / 505 SX 2009–2013

Specifications

System TypeSlip-on
Muffler MaterialAluminum
Muffler FinishTitanium Anodized
Muffler ShapeOval
Internal ConstructionWrapped Perforated Core
ReversibleNo
Mid Pipe Material304 Stainless Steel (.035 in. tubing)
Mid Pipe FinishBrushed
End Cap MaterialBillet Aluminum
End Cap FinishRed Powdercoated
End Cap TypeRound
Outlet StyleSlant Cut
Sound Level96-98 dB
Street LegalityTrack and trail-legal (96-98 dB)
Spark ArrestorUSFS Approved
Best ForOff-road / Trail, Track

Verified from Garamoto’s catalog & fitment data.

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