first i started buy hacking off the cans on the stock exhaust and gutted the internals. i should mention that all the parts i made are 304 stainless. I made up some helix baffles and pushed them into a 3in rolled perforated tube that i then packed and pushed into a 4 in exterior case that fit perfectly to where the stock cans used to be. This worked out way better than i could have ever thought. the wife and i can ride all day yet no matter what she wont burn her leg the pipes are relitively cool. I also redirected the header pipes for a more freer flowing system finally i added the ribbed flares that you can see in the last picture these babies sound mean as hell and got quite the power increse after the stage 7 and 147 mains im always geting asked who makes my pipes and where people can get them most are shocked when i tell them i built them so far my best time is 11.7 im gona keep going for less