Product Description

PM Tuning Racing Products own handmade expansion chamber suitable for Gilera Runner and Italjet Dragster 125cc – 180cc standard and tuned cylinders. This exhaust gives approximately 2bhp over the standard exhaust. Supplied with fitting kit but excludes muffler please select your muffler colour from the list above.

OUR MAIN AIM WAS TO DEVELOP A COST CONSCIOUS PERFORMANCE PIPE THAT WOULD ALLOW THE AVERAGE USER TO BOLT ON A SYSTEM WITHOUT THE HASSLE AND NECESSITY TO HAVE TO CHANGE THE VARIATOR ROLLERS.

POWER IS UP BY APPROX 2HP RIGHT ACROSS THE SPEED RANGE AND 3HP at AROUND 75MPH. ROLL ON THROTTLE TESTS FROM 20MPH SHOWS THE PM55 TO REACH ( 84 MPH)

77 YARDS EARLIER ( 2.61 ) SECONDS FASTER THAN STANDARD.