MWR Lower STREET Velocity Stacks for Yamaha R1 2020 - 2026

MWR Lower STREET Velocity Stacks for Yamaha YZF-R1 / R1S / R1M

The MWR Lower STREET Velocity Stacks are a direct-swap intake upgrade for the 2020–2026 Yamaha YZF-R1, R1S, and R1M. Designed for riders who want improved airflow and stronger street-focused performance without stepping into a full race-only intake setup, these lower stacks are built to work with the OEM-style intake system and existing upper stack hardware.

This lower-stack kit is ideal for R1 owners looking for sharper throttle response, improved intake efficiency, and a proven MWR performance upgrade that installs in place of the factory lower stacks with no airbox modification required.

Key Features

• Fits 2020–2026 Yamaha YZF-R1, R1S, and R1M models
• MWR Lower STREET version velocity stacks
• Direct replacement for the factory lower stacks
• Works with OEM and compatible upper stack hardware
• No airbox modification required
• Designed for stronger street performance and improved intake airflow
• Includes lower velocity stacks and required installation hardware

Fitment