Pro Circuit TI-4 GP Full System Exhaust for Yamaha WR450F/YZ450F 03-06


Ti-4 and T-4 Slip-On Exhausts

  • Developed to increase the horsepower and torque throughout the power curve
  • Ti-4 Slip-ons feature a round titanium canister design for extra durability and personal comfort
  • T-4 Slip-ons have a polished aluminum canister and stainless steel mid-pipe
  • Silencers include wire-meshed spark arrestor that can be removed for closed-course racing
  • Steel Allen-head screws make repacking an easy task
  • Can be used with OEM or Pro Circuit headers

If you cannot find answers to your questions here, please contact us! We are here to help! Please be sure to reference the eBay Item Number. We are available Monday through Friday, 10AM - 6PM Eastern Standard Time. We are closed Saturday and Sunday.
We accept payment via PayPal only at this time. Sales tax of 6% is required for Michigan residents only.
Domestic orders will be shipped after processing via FedEx, UPS or USPS. International orders will be shipped after processing, via USPS Priority International Mail or USPS Express International Mail. All International orders are subject to inspection and clearance through customs. Tracking information is provided for ALL orders once shipped.

We are NOT responsible for any taxes, duties or fees incurred. Buyer is responsible for knowing their countries specific policies/procedures and is paying Riders Resource for the shipping cost only.