ALUM P-CORE 2.1 KTM/HUS 151-55710 cool and ramp back up

cool and ramp back up with the higher pressure air

Identical with original insert

1992 Arctic Cat Prowler 440

Independently tested by the most prestigious engineering lab in Germany and was found to be the superior filter oil on the market

ALUM P-CORE 2.1 KTM/HUS 151-55710 cool and ramp back upFMF is about moving forward. faster. The all new Titanium Powercore 2. 1 silencer is proof FMF is totally committed to 2 stroke progression. We love 2 strokes, we ride 2 strokes, and were devoted to delivering superior power to the 2 stroke faithful. Race tested, smooth power curve throughout RPM range Engineered to assault today's tracks built to favor 4 Strokes Larger diameter Ti canister for longer packing life Deliver crisp sound you can hear