Now, just FYI, I just happened to be looking at Heartthrob's website the other day, and they have a video saying that their h-pipe catback gained something like 21 HP over stock, while the x only gained something like 6 HP over stock. Granted, you have to take everything with a grain of salt, but I was really surprised that I had never heard that claim before. Most folks I know run an x, thinking it makes marginally more power at peak. Well, if Heartthrob's CEO says his H makes more power, I'm gonna believe it. Even if it's 1/2 the difference he says it is. So today I called Heartthrob, explained my setup, and ordered an h-pipe (only).
For a whopping 75 bucks!
Even a 10