Comptech is nice. A little louder than OEM but nice throaty sound. But there is drone in the 3300~3400 rpm range. Luckly I am not in that range on the highway.

 

HKS does not have drone and it's not loud. it does have nice sound but if you are rolling with invidia equiped S, you'll not hear it.

Only performance benefit you get from this exhaust is few pound of weight saving.

 

shameless plug: i have a Spugen single for sale, NO DRONE!




















ok, i lied. it drones like a mother fk'r at 3-4k

 

I was going to call and on ya, but now I just gotta .....................................

 

mugen....there is no substitute.

 

Fujitsubo sounds great and has no drone.