Ct full system or spakrs X-6 or HMF?

[ranger400ex1994]

I have decided to get either the curtis sparks full system in think X-6 or the CT full system or the Hmf . they are the same price on the net but i plan on buying through a dealer were i live. but what are some of the ups and downs of these pipes? i am probably going to go with the ct full system just casue i really like ct and i plan on going with one of there 440 kits but yet i might just build my own IMS 440 or maybe a 426 but i rode a quad with the skarks x6 pipe and it seemed like it lont alot of bottom end felt like my yoshimura slip on had better bottom end but maybe that just me.

go with the sparks x-6...it doesnt have much low end because for 1...it is a top end pipe...and for 2...is built for a big bore built up motor...if u plan on building up ur bike...go with sparks...and if ur looking to get a kit for it...get sparks 416 national or 440, 465, etc...sparks is by far the best pipe builder and the best engine builder of all time...they wont send u the wrong direction