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rotaryvalvesrule 03-13-2002, 04:24 AM I HAVE A NEW SET OF POWER PIPES FOR AN MXZ 670. ARE THEY WORTH TRYING? IS POWER INC. OUT OF BUSINESS? ANY INFO ON THESE PIPES WOULD BE APPRECIATED. I'M ASSUMING THEY ARE LOW R.P.M. PIPES MUCH LIKE THE DYNO PORT 670 PIPES. I PICKED THE PIPES UP AT HAYDAYS. SKIDOORULZ 03-14-2002, 06:54 PM ARE THEY THE TWIN PIPES THAT GO INTO YOUR STOCK SILENCER. rotaryvalvesrule 03-15-2002, 03:00 AM THE POWER INC. PIPES USE THE STOCK SILENCER. THEY ARE CENTER DUMP PIPES. SKIDOORULZ 03-16-2002, 01:19 PM A FRIEND OF MINE PICKED A SET OF THOSE UP LAST YEAR. *I HAD NEVER HEARD OF POWER INC. BEFORE. *THEY MADE A LITTLE DIFFERENCE WITH THE STOCK SILENCER. BUT THEY MADE A HUGE DIFFERENCE WHEN WE PUT AN MBRP SILENCER ON IT. WE LET IT RUN AT 7800 RPM. THE THING HAS AMAZING HOLESHOT. Ace Racing 03-16-2002, 04:08 PM Why walk went you can run CRANK SHOP ALL THE WAY *http://www.snowmobileworld-s2.com/forums/iB_html/non-cgi/emoticons/confused.gif | ||