i think the stock pipe will sound like the stock 400ex pipe....they look pretty much the same...400ex pipe was louder than the yfz 450 with the spark arrester in......and the hrc endcap proally sounds like the 400ex with the end cap removed...
IF YOU DONT HAVE WINGS U DONT HAVE A PRAYER!!
2004 Honda Rancher 400 A/t: Project quad. mods to come after i repair it
2006 TRX 450ER: HRC kit, AC blackline pro peg nerfbars, AC front bumper, DOXO shockwears, DMP Graphics kit
(SOLD)2002 400ex: shaved front plastics, k&n air filter, rejetted carb, Holeshot mxr rears, holeshot mx fronts, ac pro peg nerfs, ac front bumper, tag handle bars, Magnum rev box,nacs head light caps, nacs E brake block off, TC shorty exhaust, n-style graphics kit, and dirtbike clutch lever and perch