[gnmcroft]

What are your opinions on HMF pipe and optimizer versus Big Gun pipe and controller? Both cost the same but which one is better? My ATV is a 09 Rancher AT with 27 inch tires.

 

[tomgodd]

I would prefer the HMF. THey sound GREAT! THey also provide a up in power. I don't know much about the Big Gun.

 

[Redracer]

I perfer HMF

 

[yotaguy]

Dont know about the big gun but I am running the HMF set up with 27" zillas and love it. and sounds like a 450r

 

[rancher11]

i dont know about big gun, but i see alot more HMF's