Two Stroke Power, Boyesen Air Intake Comparison

Boyesen s air intake products are designed to help riders finetune their machine to achieve a specific power delivery. We take a 2020 Yamaha YZ250 and combine it with six different Boyesen products and an FMF exhaust system. Take a seat and get comfy because we dive deep into each and every test and include a full rundown on how each product changed the characteristics of the 2020 YZ250 twostroke.