Pro Circuit T-4R Race Full Exhaust System

Item Number: 325720


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Product Description

Pro Circuit

Pro Circuit T-4R Race Full Exhaust System

  • Top of the line performance and power
  • Tapered head pipe for better overall power from the bottom to the top end of the RPM range
  • Specially designed mounting bracket for increased strength and durability
  • RC4 resonance chamber in the header reduces noise output
  • Internal design reduces noise output, meets 94dB AMA and FIM sound limits
  • Welded end cap design
  • T-4R systems feature stainless steel construction
  • Includes canister and end cap graphics
  • Extra muffler packing kit included

Spec Details
Header Construction Stainless Steel
Muffler End Cap Stainless Steel
Muffler Sleeve Stainless Steel

Vehicle Fitment

Fitment is guaranteed or your money back plus free return shipping. Don't waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.


  • CRF250R 2006-2010
  • CRF450R 2009-2010


  • RM-Z450 2008-2009

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Questions & Answers