2019 YAMAHA YFZ450R HMF SLIP ON EXHAUST AND FUEL OPTIMIZER

In this video we install the hmf slip on exhaust in the 2019 yfz450r. It sounds great and actually gave the quad a noticeable gain in power. Thanks for watching.
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Insta- afredericks5.7

[@Ryankellr]

5/5 star review added so much power it disintegrated all the internals

[@AustinFredericks]

Basically

[@shawndurnell2659]

Vortex! Those piggyback tuners suck on the 14+ models! Plus I would suggest a topend rebuild bro! That thing smokes alot!

[@AustinFredericks]

Quads currently getting rebuilt right now lol

[@shawndurnell2659]

@@AustinFredericks Good deal! Nice bike though! That HMF looks and sounds sick! I Love HMF!

[@jessegarciaiv5380]

@@AustinFredericks your 2019 is already getting rebuilt..?

[@yahirbarragan6630]

Lol not tuned suggest tunning yourself uninstalled mine didn’t like it personally not sure bout you

[@AustinFredericks]

Sounds good but yeah might need to be tuned different