Hey, i think this is really weird and how do i fix it? suggestions or anything?

Well here we go, i changed the spark plugs and wires right?
ok, well i used the NGK-TR55's. and some bosch wires. I had to take the y-pipe off right? so i did and in the process broke off one bolt off each exhaust manifold. that sucked. so i went up to oreilly's and got some exhaust manifold clamps and did a temporary fix on it. Well the next day i made this trip to VA to my new location. well, on the way here i got 26mpg???? It idles really rough....and it misfires too. my acceleration is poor. VERY poor.

I also just recently installed a K&N FIPK and was thinking that maybe it might be running too lean? something else? i dunno any suggestions would be great. I am not gonna fix the exhaust leak until i can get some headers. speaking of which what are ya'lls suggestions on header for hopefully under or at $500???

Thanks. any help is appreciated.

 

*bump* ??? anyone ???

 

It could be a couple of things , if you now have an exhaust leak your O2s could be getting bad readings or those plugs could be too cold

 

check to make sure all your plug wires are on correctly, and the exhaust leak isnt helping any.