[cobra2004]

I have a 2004 Cobra with 11,000 miles. I have recently installed a FIPK K&N intake and Magnaflow catbacks. Is there any need to tune it? Is the air flow mixture okay?
Thanks

[2oo5GT]

With what you have right now, i don't see a need for a dyno tune, they could squeeze more power but for safety, you're fine right now. You could get a Xcal3 or Diablo programmer with a tune, but even after that, i would still get a dyno just to see how your AF ratio is at WOT. The programmer will get you some more hp also. If you start changing out pulleys and so on, i would still get a dyno just to check it out and you can go to a tuner for a dyno tune or call rick at amazonracing.com, get one of his tunes and then get a dyno. If you need some adjustments, send him all the dyno info and he can send you another tune if need be.

[Brutal Metal]

A custom dyno tune is gonna give you bigger Horsepower numbers and I agree you don't NEED a tune, the stock flash is gonna make sure there isn't too much timing and enough fuel.
The only way to check Air Fuel is on a dyno that has Wideband O2 or an external A/F meter!!