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
Automotive oil, Quantum Blue. Aces4+P
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.
10-12-13 Mokan Dragway 11:16 @ 125mph
new 3-15-14 609whp and 612rwtq with 10deg timing.
3-30-14 Mokan 10:87et at 127mph 1:50 60ft
SPEED cost MONEY How FAST you wanta go ?