Killed another Cobra and an LS1 SS

[sedanman]

GP6T any person even half way into performance would know what a gutted x-pipe is oh, wait let me explain to it to you A gutted x-pipe would mean it originaly had catalytic converters on it but the catalyst have been removed (perhaps for better performance), wait do you know what a catalytic converter is? Now mister auto math einstein, weight does not matter as much going down the road because it does not need that inital ump.