Impact is highest at takeoff and tapers off as speed increases

-Performance exhaust is the mid point between quiet and race with optimized back pressure

This kit allows for easy set up because magnets are used instead of fasteners

Fully Tuned Package: Gain up to 18 HP when combining the full exhaust system with custom tuning

Faster Turbo Spool: Decreased resistance means your turbo reaches peak boost pressure sooner

Secondary Spring / Polaris PRO Category_Default Category/SLED/Ski-Doo/XP TNT\/Sport 600 Impact is highest at takeoffSecondary Spring 20 165 250 G4 Pink (ProXP small Tire & all ProR) 20 190 270 Gold (ProXP Big tire)