retune question

[derockgt]

did some searching on if i needed a retune if i added an off road x pipe. the tune had the stock h on. from what i could find the answer was no. the A/F was 11.5-11.7 .8. (on with the H pipe) im sure it changed to A/F ratio some, i had the tune reflased to turn off the rear o2 but didnt get it dyno tuned. do i need to? also tune had stock plugs in it and i put tr6s in dont know if that matters either

 

[balboky01]

I would say yes because by taking the factory cats off the car your going to loose a little boost and therefore should get a tune...better to spend money on a tune rather then new engine because of a bad a/f ratio..but then again i always wanna be on the safe side...if your going to get it retuned maybe wait to do some other mods so you dont have to keep going back to the dyno