I added headers a month ago.Cats long gone. When shorties were added it moved my a/f .2 to .4 lean, thats it. As its commanded to run 10.8 A/f at wot.
It dont lean as much as many yell about with just headers. On mine anyway.
09 RT 5.7 auto,all leather,loaded. Vortech Blower,Edge
email Tuned. Transformer Controler
SHR Viking Trans,
DSS 1000hp axle.Getrag 3:07gear.SRT springs.Dual fuel pumps. DSS
alum 1pc DS. 392 cam, 1-29-13 FLATTOP built stroker motor.
3-30-14 Mokan 10:87et at 127mph 1:50 60ft DA 1870
6-24-14 Mokan 10:67et at 129mph 1:78 60ft DA 2925, 101.1mph 1/8mi
on N2o 150 shot in 2nd and 3rd
SPEED cost MONEY How FAST you wanta go ?