SORRY BUT the OZ pipe couldnt be more of COPY CAT LOL not the it matters buy what you want the others are much different I have a CARPENTER BRUTE PIPE on my modded Rocket it works great and looks great but others have different taste thats why the have all the different styles I run BRUTE to compliment my modded 265+ HP CARP Engine as they where developed together BUT STEEL runs the same pipe on his STOCK ROCKET and makes 170+ HP with his super high mileage never rebuilt 135000 mile 2005 ROCKET