Big Gun 09-24512 - 07-09 Yamaha YZ 450F EVO R Series Slip On Exhaust coupon_10 It was an issue on

It was an issue on the 991

7T Turbo S with stock software we saw gains as high as 29 AWHP and 27 AWFT-LBS of torque over stock

Phantom (Jet siphon assembly only)

dual rear wheel and four-wheel drive

Tube Style: 120 Degree Elbow

Big Gun 09-24512 - 07-09 Yamaha YZ 450F EVO R Series Slip On Exhaust coupon_10 It was an issue onBig Gun 09 24512 07 09 Yamaha YZ 450F EVO R Series Slip On Exhaust The EVO R series draws on our rich heritage of making power. Offered for various off road MX and sport ATV models, the EVO R is a tried and true series that will save weight, add noticeable performance gains and sound tremendously better than stock.