if you want your quad to be loud just take the spark arrestor off. since your riding a raptor you'll need an allen wrench and a hack saw. yeah it sounds like a dumb thing to do but if you want loud and a mild horsepower gain for zero dollars invested this is the way to go!!!!

 

I have an alba pipe and to this date I have not heard a better sounding pipe, and for those of you who have had their pipes rust i really do not see how that could have happened without some neglect on you part just my .02[img]i/expressions/face-icon-small-happy.gif[/img]

 

White bros e-series full system is damn loud.

 

Graydon with the open end cap loud!!!!!! lots of power.Haven't lost to other piped raptor yet.

 

man its like a different pipe from every post