The ls1 engine bay wasnt that crowded stock. I had to relocate a lot of things when I put the procharger in. That procharger is a TIGHT fit.
Edit: Might as well show my other major mod. I have a Boston sound system.
9853 Deck
2 G5 12 inch subs
2 Boston Amp's GT 28 and GT 42
On order: HID High Low and Fog Lights, Harrop Option 3 Shifter Hawk brake pads. Soon to order Vauxhall Monaro Style Tail lamps