compare stock Y pipe airflow CFM and HP vs Petschke Y pipe
SkiDoo ETEC 800 Ypipe Petschke Motorsports custom Y pipe
read more
Post By
2012 dyno certification AmSnow/ DTR NY shootout
Stock 120, 150, and Unlimited sled class comparisons include SC Nytro, & turning up the boost
2013 Polaris 600 IQR new mod rules call for revised port timing!
compare 2012 Cat, SkiDoo, and Polaris 600 snocrossers to this powerful new 2013 stocker