The cheapest way=
I have customized the spark arestor(drilled the holes bigger) or you can take it out...Because that's what restricts exaust flow.
Not recomended for Fire hazard areas
. I drilled the holes bigger instead because the ranger uses a stick to check for spark arestors.
Aftermarket DG starting at $179.96==or==$229.31 for stock silencer
2006 Polaris OUTLAW 500 - A06GP50AA Silencers & Mufflers - BikeBandit.com
