1. Home
  3. Speedwerx
  5. Speedwerx High Flow Intake Kit // 2025-2026 Arctic Cat ZR / RIOT / M 858 C-TEC2
By SPEEDWERX

Speedwerx High Flow Intake Kit // 2025-2026 Arctic Cat ZR / RIOT / M 858 C-TEC2

$169.95
$169.95
Shipping calculated at checkout.

FREE US shipping on orders $750+! (lower 48). Under $750, a flat rate by brand is shown at checkout (IceAge rail kits and Hyfax $65). Alaska, Canada and worldwide ship at flat rates, not eligible for free shipping.

Speedwerx High Flow Intake Kit // 2025-2026 Arctic Cat ZR / RIOT / M 858 C-TEC2

  • Fits 2025-2026 Arctic Cat ZR / RIOT / M 858 C-TEC2 (2027 models use a separate vent kit)
  • Billet aluminum adapter with rubber seal opens up the restrictive stock plenum
  • Includes three FROGZSKIN vents and installation instructions for the stock airbox
  • Speedwerx reports about 5 hp from the intake alone
  • An ECU tune is required when combined with the pipe, Y-pipe and head

Speedwerx part # AC858-HFI. Intended for closed-course competition use.

Not sure what fits your sled? Email kyle@freshiesbuilt.com with your year, make, model and track length.

SPEEDWERXSpeedwerx ECU Tunes // 2025-2027 Arctic Cat ZR / XF / RIOT / M 858 C-TEC2 Catalyst
Speedwerx ECU Tunes // 2025-2027 Arctic Cat ZR / XF / RIOT / M 858 C-TEC2 Catalyst
Speedwerx Cold Air High Flow Intake Kit // 2022-2027 Polaris 850 Patriot Boost RMK Models with Speedwerx Lightweight Hood
SPEEDWERXSpeedwerx Cold Air High Flow Intake Kit // 2022-2027 Polaris 850 Patriot Boost RMK Models with Speedwerx Lightweight Hood
Speedwerx High Flow Intake Kit // 2025-2026 Arctic Cat ZR / RIOT / M 858 C-TEC2
$169.95
$169.95

Duradeck Products

View all