Find Your Exhaust

2000-2010 YFM 400 Big Bear 2WD & 4WD (all models) Slip-on system w/Sport Muffler


New product

MBRP’s ATV performance muffler. A true performance exhausts sound, maximum flow – while keeping similar characteristics of our sport and utility series, while delivering a clean and crisp sound.

Install Instructions: AT-6409SP Available Here