backfire

As stated in the title, my cobra is sputtering and backfiring below 3 to 3500 rpms then smooths out, it seems to me like its missing fairly bad. Its hard to tell during idle since it has stage 3 cams installed and i'm fairly new to this car so I cant say for sure. It's also worth mentioning...

Good evening folks. Please take 2 minutes to read through this, thank-you.I have been planning nitrous for 4 years. I have obtained all the accessories, purge kit, bottle opener, bottle heater, window switch, fuel shut off and possibly a wideband. It's a Zex set up, 75 shot. My Goal- A...

Racing my buddies ls2 gto, hit rev limiter, it backfired, then as we were coming up to a red light my brakes lost power, as soon as i got to a complete stop it died, and would not start. towed back home, reset computer, charged battery, nothing, just turns, but was blowing fuel out of left tail...