HMF Racing Yamaha Big Bear 400- Performance-Series Slip On 00-12 End Cap:Turn-Down-Black The stainless steel slip-on system

The stainless steel slip-on system picks up 1-2 more horse power and torque throughout the power curve

Includes 65 different pieces with various quantities

water and mud out of your machine while you're killing it on the trail

Old Part #: QAF08-RBF

320 cold cranking amps

HMF Racing Yamaha Big Bear 400- Performance-Series Slip On 00-12 End Cap:Turn-Down-Black The stainless steel slip-on systemThe Big Bear 400 is available as a Slip On in the Performance Series. The slip on exhaust system picks up 10 15% more horse power and torque throughout the power curve, and weighs substantially less that the stock exhaust. The Performance exhaust is typically 4 6 decibels louder than the stock exhaust, but the HMF Quiet Core insert can lower that 2 4 dB. Fits: (00 12) Big Bear 400, YFM40FV, FR, 4WD FUEL TUNING IS REQUIREDLEARN MORE Fuel Tuning is