A Kuryakyn Mach 2 was installed on my car when I got it. It did not have the 'ears' supporting it that attach to the cylinder cooling fins like the above photo. Without the 'ears' the intake will eventually destroy one or the other of the intake runner gaskets at the cylinders and cause air leaks which will throw error codes. Basically the engine vibrates so much and the air cleaner weighs so much that the two try to part ways at the intake runner gasket. Emil makes supports now that fixes the problem if you want to go with a Kuryakyn because you cannot find a Stealth. I replaced my Kuryakyn..... with a Stealth and love it. But I think throttle response was similar between the Kuryakyn and the Stealth.
