Montesa 315r Header Pipe S3 TitaniumEXHAUST PIPE TITANIUM Montesa 315R. These header pipes are works of art and the most beautiful header pipe you will ever find. They are extremely light weight and will add performance to your bike along with a very unique sound and exhaust note to your bike. Best engine response, more power on high Revs, Keeping engine very smooth on low Rpm. Approved by the best riders.