PRO Circuit TI-4 GP System CRF450












The Ti-4 Complete System is constructed of titanium which means a lighter system compared to stock. Designed to increase performance from bottom to top end, making it easier to ride faster. This system was developed by riders like Ricky Carmichael, James Stewart & Ryan Villopoto. Please contact Pro Circuit for information on replacement parts.


Features Include:

  • Designed as a “full race” exhaust system
  • Includes a USFS-approved spark arrestor which can easily be replaced with the race tip (included) for closed-course competition*
  • Bottom to top end power increase
  • Meets AMA/FIM sound requirements of 94db
  • CNC machined billet aluminum mounting bracket on canister for increased durability*
  • CNC machined exhaust flange on head pipe for perfect fit
  • 3 piece system that includes canister, mid pipe and head pipe
  • Ultra-strong mounting bracket on mid pipe for extended product life

*2008 and earlier models may vary in design, price and accessories that are included. Call for information

Blowout SALE

This system shown here:

Retail $949.95

SALE PRICE $450.00

Only one in stock – Don’t wait!


Product Options
#OptionPriceSale Price
Order PRO CIRCUIT GP CRF450 4H09450-TI-GP @ $450.00