Pro Circuit  |  SKU: 4S03400S
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Pro Circuit KLX400SR/DRZ400S T-4 SO

Regular price $908.99


  • Usually ships in 1 to 2 business days
  • Free shipping on orders over $279.99
  • Ships from Canadian warehouses in Alberta, Ontario and Quebec
  • Secure checkout with trusted payment methods

Fast Shipping from Canadian Warehouses

Delivered in 3 to 7 business days in Canada.
No duties or cross-border delays.

Ultra-responsive performance

Developed to increase the horsepower and torque throughout the power curve

Designed to be used with OEM stock head pipes or Pro Circuit head pipes

Incredible horsepower gains when compared to stock

Aluminum/stainless construction for reduced weight and increased durability

Strong mounting bracket(s) for increased durability

Designed for easy disassembly and re-packing when needed

Removable USFS approved spark arrestor

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