Originally Posted by lincoln361
He said I was around 5lbs boost. I didn't pulley down. I didn't know my boost would go down with headers. But I know I need to get a Cai, put my factory wheels on, and pulley down. Maybe that would get me around 500rwhp
I made 498 rwh with just stock ls3 with maggie. 608 with lt headers and OD cog drive and rotofab intake.