Pro Circuit Ti-4R Race Full Exhaust System - 0331125C | Yamaha YZ250F 2011

Item # : 142003

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  • Manufacturer: Pro Circuit


Pro Circuit Ti-4R Race Full Exhaust System

The Ti-4R Titanium Exhaust System was designed specifically to deliver unparalleled performance for closed course competition. Our RC-4 Resonance Chamber has been added to this system to reduce noise output. The Ti-4R is a full race system and does not include a spark arrestor. Please contact Pro Circuit for information on replacement parts.


  • Strictly for closed course competition
  • Equipped with RC-4 Resonance Chamber to reduce noise output
  • Titanium construction throughout head pipe, mid pipe, canister and end-cap
  • Non spark arrested system
  • Welded titanium end-cap
  • CNC machined exhaust flange for a perfect fit
  • CNC machined billet aluminum mounting bracket
  • 3 piece system which inlcludes silencer, mid pipe and head pipe

Manufacturer Part Number: 0331125C